SYNTHESIS AND RESOLUTION OF TETRAHYDROPYRAN CARBOXYLIC-ACIDS AND THE BIOEVALUATION OF THEIR ESTERS AS COCKROACH ATTRACTANTS

被引:4
|
作者
PANDEY, KS [1 ]
SHRIPRAKASH [1 ]
PANDEY, M [1 ]
RAO, KM [1 ]
VAIDYANATHASWAMY, R [1 ]
机构
[1] DEF RES & DEV ESTAB, GWALIOR 474002, INDIA
关键词
D O I
10.1271/bbb.58.1879
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Tetrahydropyran-2- and -3-carboxylic acids were resolved by using quinine. The enantiomeric purity of the corresponding methyl esters (1 and 2) was determined by proton NMR, using a lanthanide chiral shift reagent [Eu(hfc)(3)] in the ratio 1:3 (substrate/shift reagent). The relative attractant activity of the racemic, and (+) and (-) isomers of these esters was evaluated against Blattella germanica (L.) and Supella longipalpa (F.). The results show that the activity order for 1 was (-)>(+)>racemic, and for 2 was (+)>(-)>racemic.
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收藏
页码:1879 / 1881
页数:3
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