trans N-Methyl-N-[2-(1-pyrrolidinyl)cyclohexyl] cycloprop-2-ene-1-carboxamides: Novel lipophilic kappa opioid agonists
摘要:
The synthesis and kappa opioid agonist activities of some lipophilic analogues of the kappa opioid agonist U-50488 incorporating motifs bearing two aromatic rings in place of the 3,4-dichlorophenyl group are described, Trans 2,3-diphenyl-N-methyl-N[2-(1-pyrrolidinyl)cyclohexyl]-2-cyclopropene-1-carboxamide, 7, is a potent kappa opioid agonist. A diphenylcyclopropene analogue of CI-977, trans 2,3-diphenyl-N-methyl-N-[7-(1-pyrrolidinyl)-1-oxaspiro[4.5]dec-8-yl]-2-cyclopropene-1-carboxamide, 13, is a highly lipophilic chemically novel potent selective kappa opioid agonist. (C) 1997, Elsevier Science Ltd.
Use of malonic acid derivative compounds for retarding plant growth
申请人:Rhone-Poulenc Inc.
公开号:US05292937A1
公开(公告)日:1994-03-08
This invention relates to a method for retarding plant growth by applying to the plant an effective amount of a malonic acid derivative compound. This invention also relates to novel malonic acid derivative compounds and processes for the preparation thereof.
This invention relates to synergistic plant growth regulator compositions containing (1) an ethylene response or ethylene-type response inducing agent and (11) a malonic acid derivative compound. This invention also relates to the use of said compositions for inducing synergistic plant growth regulating responses or ethylene responses or ethylene-type responses.
The first examples of directpalladium-catalyzedarylation and heteroarylation of cyclopropenes have been demonstrated. This method allows for efficient synthesis of various tetrasubstituted cyclopropenes, incuding nonracemic cyclopropenes, which are not available via known asymmetric cyclopropenation methods. Mechanistic studies strongly suggest an electrophilic path for this Heck-type transformation
Radical hydroformylation and hydrogenation of cyclopropenes with HCo(CO)4 and HMn(CO)5
作者:Theodore E. Nalesnik、John H. Freudenberger、Milton Orchin
DOI:10.1016/s0022-328x(00)86753-4
日期:1982.9
The results of a study of the reactions of HCo(CO)4 and HMn(CO)5 with a variety of a substituted cyclopropenes are consistent with the formation of the intermediate caged radical pairs; recombination in the cage of the radical pair leads to hydroformylation, and cage escape leads to hydrogenation. Steric factors play an important role in determining rates as well as the stereochemistry of the products