char = F;code = 70
char = i;code = 105
char = r;code = 114
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = i;code = 105
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = o;code = 111
char = z;code = 122
char = o;code = 111
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = (;code = 40
char = Z;code = 90
char = );code = 41
char = -;code = 45
char = 1;code = 49
char = 7;code = 55
char = -;code = 45
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = y;code = 121
char = l;code = 108
char = -;code = 45
char = 1;code = 49
char = 3;code = 51
char = -;code = 45
char = o;code = 111
char = c;code = 99
char = t;code = 116
char = a;code = 97
char = d;code = 100
char = e;code = 101
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = o;code = 111
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = w;code = 119
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = a;code = 97
char = t;code = 116
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = ;code = 32
char = P;code = 80
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = m;code = 109
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = a;code = 97
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = n;code = 110
char = i;code = 105
char = c;code = 99
char = i;code = 105
char = l;code = 108
char = l;code = 108
char = u;code = 117
char = s;code = 115
char = .;code = 46
result sql = First total synthesis and antiprotozoal activity of (Z)-17-methyl-13-octadecenoic acid, a new marine fatty acid from the sponge Polymastia penicillus.
First total synthesis and antiprotozoal activity of (Z)-17-methyl-13-octadecenoic acid, a new marine fatty acid from the sponge Polymastia penicillus.
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = i;code = 105
char = r;code = 114
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = Z;code = 90
char = );code = 41
char = -;code = 45
char = 1;code = 49
char = 7;code = 55
char = -;code = 45
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = y;code = 121
char = l;code = 108
char = -;code = 45
char = 1;code = 49
char = 3;code = 51
char = -;code = 45
char = o;code = 111
char = c;code = 99
char = t;code = 116
char = a;code = 97
char = d;code = 100
char = e;code = 101
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = o;code = 111
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = i;code = 105
char = s;code = 115
char = h;code = 104
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = p;code = 112
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = 4;code = 52
char = 5;code = 53
char = %;code = 37
char = ;code = 32
char = o;code = 111
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = y;code = 121
char = i;code = 105
char = e;code = 101
char = l;code = 108
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = (;code = 40
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = y;code = 121
char = l;code = 108
char = s;code = 115
char = i;code = 105
char = l;code = 108
char = y;code = 121
char = l;code = 108
char = );code = 41
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = t;code = 116
char = y;code = 121
char = l;code = 108
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = k;code = 107
char = e;code = 101
char = y;code = 121
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = B;code = 66
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = v;code = 118
char = i;code = 105
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = o;code = 111
char = p;code = 112
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = g;code = 103
char = y;code = 121
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = ;code = 32
char = l;code = 108
char = a;code = 97
char = b;code = 98
char = o;code = 111
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = o;code = 111
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = w;code = 119
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = i;code = 105
char = t;code = 116
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = i;code = 105
char = r;code = 114
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = t;code = 116
char = y;code = 121
char = l;code = 108
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = u;code = 117
char = p;code = 112
char = l;code = 108
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = (;code = 40
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = y;code = 121
char = l;code = 108
char = s;code = 115
char = i;code = 105
char = l;code = 108
char = y;code = 121
char = l;code = 108
char = );code = 41
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = t;code = 116
char = y;code = 121
char = l;code = 108
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = -;code = 45
char = c;code = 99
char = h;code = 104
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = 1;code = 49
char = 2;code = 50
char = -;code = 45
char = b;code = 98
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = o;code = 111
char = -;code = 45
char = 1;code = 49
char = -;code = 45
char = d;code = 100
char = o;code = 111
char = d;code = 100
char = e;code = 101
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = o;code = 111
char = l;code = 108
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = c;code = 99
char = o;code = 111
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char = d;code = 100
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = t;code = 116
char = y;code = 121
char = l;code = 108
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = u;code = 117
char = p;code = 112
char = l;code = 108
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = o;code = 111
char = r;code = 114
char = t;code = 116
char = -;code = 45
char = c;code = 99
char = h;code = 104
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = 3;code = 51
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char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = y;code = 121
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char = -;code = 45
char = 1;code = 49
char = -;code = 45
char = b;code = 98
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = o;code = 111
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char = u;code = 117
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = h;code = 104
char = i;code = 105
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = r;code = 114
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char = s;code = 115
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = e;code = 101
char = d;code = 100
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char = i;code = 105
char = g;code = 103
char = h;code = 104
char = e;code = 101
char = r;code = 114
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char = e;code = 101
char = l;code = 108
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char = .;code = 46
char = ;code = 32
char = C;code = 67
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char = p;code = 112
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char = e;code = 101
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char = e;code = 101
char = c;code = 99
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char = r;code = 114
char = a;code = 97
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char = d;code = 100
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char = t;code = 116
char = a;code = 97
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char = s;code = 115
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = s;code = 115
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char = e;code = 101
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char = f;code = 102
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char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
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char = f;code = 102
char = i;code = 105
char = r;code = 114
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = i;code = 105
char = m;code = 109
char = e;code = 101
char = ;code = 32
char = f;code = 102
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char = r;code = 114
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char = i;code = 105
char = s;code = 115
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char = r;code = 114
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char = c;code = 99
char = e;code = 101
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char = t;code = 116
char = l;code = 108
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char = c;code = 99
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char = r;code = 114
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char = d;code = 100
char = ;code = 32
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char = a;code = 97
char = t;code = 116
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
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char = t;code = 116
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char = t;code = 116
char = l;code = 108
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char = ;code = 32
char = c;code = 99
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char = m;code = 109
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char = ;code = 32
char = d;code = 100
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char = a;code = 97
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char = t;code = 116
char = i;code = 105
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = o;code = 111
char = z;code = 122
char = o;code = 111
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = g;code = 103
char = a;code = 97
char = i;code = 105
char = n;code = 110
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char = t;code = 116
char = ;code = 32
char = L;code = 76
char = e;code = 101
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char = h;code = 104
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char = o;code = 111
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char = a;code = 97
char = n;code = 110
char = i;code = 105
char = ;code = 32
char = (;code = 40
char = E;code = 69
char = C;code = 67
char = (;code = 40
char = 5;code = 53
char = 0;code = 48
char = );code = 41
char = ;code = 32
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char = ;code = 32
char = 1;code = 49
char = 9;code = 57
char = .;code = 46
char = 8;code = 56
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = g;code = 103
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char = m;code = 109
char = l;code = 108
char = );code = 41
char = ;code = 32
char = a;code = 97
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char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = h;code = 104
char = i;code = 105
char = b;code = 98
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char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
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char = l;code = 108
char = e;code = 101
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char = s;code = 115
char = h;code = 104
char = m;code = 109
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = a;code = 97
char = ;code = 32
char = D;code = 68
char = N;code = 78
char = A;code = 65
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = p;code = 112
char = o;code = 111
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = I;code = 73
char = B;code = 66
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = 5;code = 53
char = 0;code = 48
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = r;code = 114
char = o;code = 111
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char = .;code = 46
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char = b;code = 98
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result sql = The first total synthesis for the (Z)-17-methyl-13-octadecenoic acid was accomplished in seven steps and in a 45% overall yield. The use of (trimethylsilyl)acetylene was key in the synthesis. Based on a previous developed strategy in our laboratory the best synthetic route towards the title compound was first acetylide coupling of (trimethylsilyl)acetylene to the long-chain protected 12-bromo-1-dodecanol followed by a second acetylide coupling to the short-chain 3-methyl-1-bromobutane, which resulted in higher yields. Complete spectral data is also presented for the first time for this recently discovered fatty acid. The title compound displayed antiprotozoal activity against Leishmania donovani (EC(50) = 19.8 microg/ml) and inhibited the leishmania DNA topoisomerase IB at concentrations of 50 microM.

Publication: Chem. Phys. Lipids 2009 Sep ;161(1)::38-43. :doi: 10.1016/j.chemphyslip.2009.06.140.
Publication Date: 2009 Sep
Study Author(s): Carballeira, Néstor M;Montano, Nashbly;Balaña-Fouce, Rafael;Prada, Christopher Fernández;
Institution: Department of Chemistry, University of Puerto Rico, San Juan, Puerto Rico 00931-3346. [email protected]
Shortcut link to this study:
The first total synthesis for the (Z)-17-methyl-13-octadecenoic acid was accomplished in seven steps and in a 45% overall yield. The use of (trimethylsilyl)acetylene was key in the synthesis. Based on a previous developed strategy in our laboratory the best synthetic route towards the title compound was first acetylide coupling of (trimethylsilyl)acetylene to the long-chain protected 12-bromo-1-dodecanol followed by a second acetylide coupling to the short-chain 3-methyl-1-bromobutane, which resulted in higher yields. Complete spectral data is also presented for the first time for this recently discovered fatty acid. The title compound displayed antiprotozoal activity against Leishmania donovani (EC(50) = 19.8 microg/ml) and inhibited the leishmania DNA topoisomerase IB at concentrations of 50 microM.
PMID: 19527698

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