Total synthesis of 7,7-, 10,10-, and 13,13-difluoroarachidonic acids
作者:Pui Yan Kwok、Frank W. Muellner、Chien Kuang Chen、Josef Fried
DOI:10.1021/ja00246a027
日期:1987.6
Synthese a partir de la reaction d'(alcynyl trialkylsilyl) ethers avec le ([difluoro-4,4 iodo-4 butyne-2 yl] [perhydro pyrannyl-2]) ether en presence de butyl-lithium
在脱丁基锂的存在下,合成部分反应 d'(炔基三烷基甲硅烷基) 醚 avec le ([difluoro-4,4 iodo-4 butyne-2 yl] [perhydro pyrannyl-2]) 醚
Total Synthesis of gem-Difluoromethylenated Analogues of Pironetin
作者:Feng-Ling Qing、Jing Lin、Xuyi Yue、Peng Huang、Daxiang Cui
DOI:10.1055/s-0029-1217099
日期:2010.1
The straightforward synthesis of four gem-difluoromethylenated analogues of pironetin is described. Our synthesis features the efficient construction of the key intermediates through the indium-mediated gem-difluoropropargylation of aldehydes with the fluorine-containing building block.
Synthesis of <i>gem</i>-difluoromethylenated analogues of boronolide
作者:Jing Lin、Xiao-Long Qiu、Feng-Ling Qing
DOI:10.3762/bjoc.6.37
日期:——
The straightforward synthesis of four gem-difluoromethylenated analogues 4-7 of boronolide is described. The key steps of the synthesis include the concise preparation of the key intermediates 12a-b through the indium-mediated gem-difluoropropargylation of aldehyde 9 with the fluorine-containing building block 11 and the efficient construction of alpha,beta-unsaturated-delta-lactones 15a-b via BAIB/TEMPO-procedure
Fused heterocyclic inhibitors of D-amino acid oxidase
申请人:Heffernan L. R. Michele
公开号:US20080058395A1
公开(公告)日:2008-03-06
This invention provides novel inhibitors of the enzyme D-amino acid oxidase as well as pharmaceutical compositions including the compounds of the invention. Also provided are methods for the treatment and prevention of neurological disorders, such as neuropsychiatric and neurodegenerative diseases, as well as pain, ataxia and convulsion. The compounds of the invention have the general structure:
wherein Q is a member selected from O, S, CR
1
and N, X and Y are members independently selected from CR
2
, O, S, N and NR
3
.
FLUORO-SUBSTITUTED INHIBITORS OF D-AMINO ACID OXIDASE
申请人:Heffernan L. R. Michele
公开号:US20080004327A1
公开(公告)日:2008-01-03
This invention provides novel inhibitors of the enzyme D-amino acid oxidase as well as pharmaceutical compositions including the compounds of the invention. The invention also provides methods for the treatment and prevention of neurological disorders, such as neuropsychiatric and neurodegenerative diseases, as well as pain, ataxia and convulsion. The compounds of the invention have the general structure:
wherein A is NH or S. Q is a member selected from CR
1
and N. X and Y are members independently selected from O, S, CR
2
, N and NH. R
1
, R
2
and R
4
are members independently selected from H and F, provided that at least one member selected from R
1
, R
2
and R
4
is F. R
6
is a member selected from O
−
X
+
and OH, wherein X
+
is a positive ion, which is a member selected from inorganic positive ions and organic positive ions.