The present invention provides a novel compound represented by the formula (I) wherein each symbol is as defined in the specification, a salt thereof and a prodrug thereof having a superior GPR40 receptor function modulating action, which can be used as an insulin secretagogue, an agent for the prophylaxis or treatment of diabetes and the like. They unexpectedly show superior GPR40 receptor agonist activity, and also show superior properties as a pharmaceutical product, such as stability and the like. Thus, they can be safe and useful pharmaceutical agents for the prophylaxis or treatment of GPR40 receptor related diseases in mammals.
Difluoroethenylcyclopropanecarboxylates of the formula ##STR1## in which R is a selected biphenylmethyl, bridged biphenylmethyl or 4-phenyl-2-indanyl group, having a high level of activity against acarids are disclosed.
Precursors to benzyl compounds, useful in the manufacture of pyrethroid insecticides, are prepared by regiospecific addition of an enamine to a heterocyclic diene accompanied by elimination of volatile by-products.
Insecticidal (1,1'-biphenyl)-3-ylmethyl esters, their production and use and compositions containing them
申请人:FMC Corporation
公开号:EP0049977A1
公开(公告)日:1982-04-21
Insecticidal and acaricidal pyrethroid esters of formula residue is replaced by a hydroxy group or a leaving group readilv displaced bv carboxylate anions are also novel.
in which R is one of certain substituted cyclopropyl radicals, A and B are certain halo, haloalkyl, alkyl and alkoxy radicals and a and b are 0, 1, 2, 3, 4 or 5, are novel and may be included in insecticidal and acaricidal compositions and used for killing insects and acarids. They can be in cis or trans configuration.
Intermediate compounds in which the
杀虫和杀螨剂拟除虫菊酯的式残基被羟基或羧酸阴离子取代的离去基团也是新颖的。
其中 R 是某些取代的环丙基之一,A 和 B 是某些卤代、卤代烷基、烷基和烷氧基,a 和 b 是 0、1、2、3、4 或 5,这些都是新型的,可包含在杀虫和杀螨组合物中,用于杀虫和杀螨。它们可以是顺式或反式构型。
其中
Preparation of optically-active alpha-substituted carboxylic esters and acids
申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0116914A1
公开(公告)日:1984-08-29
Optically-active alpha-substituted carboxylic esters are prepared by treating a non-symmetrical ketene with an alcohol in the presence of an optically-active amine catalyst. Hydrolysis of the resulting esters, yields the optically-active acid corresponding to the non-symmetrical ketene.