The present invention relates to novel Formula I α, β- unsaturated ketone, the symbols of formula I as defined in claim 1. 这种新型化合物带有水果底味的一种浓烈的非常持久的新鲜波斯树脂香味. One such novel compound with a strong flavor of fruit at the end of a very long-lasting fresh ...
(AIBN) or benzoyl peroxide (BPO) as initiator; oxidizing in the organic solvent; dehydrating through dehydrant; separating and purifying to obtain the alpha, beta-unsaturated ketone; improving reacting receiving rate; reducing manufacturing cost; possessing mild reacting condition; using little catalyst...
ketone and ketoxime derivs. of formula (I) are new. In (I) Y=O or hydroxyimino. Z= CN or alkoxycarbonyl. R1, R2= H or lower alkoxy. 1C Tanaka,YWIN4 Hagiwara,1C Kajitani,... - EP 被引量: 0发表: 1995年 (ALPHA),(BETA)-UNSATURATED KETONE AND KETOXIME DERIVATIVE Alpha-beta ...
PURPOSE: To obtain a new α,β-unsaturated ketoester derivative useful as an intermediate for producing, under mild conditions in a short process, a 2,4- dihydroxypyridine derivative as an inhibitor of an in vivo decomposing enzyme of 5-fluorouracyl which is an anti-malignant tumor...
Alpha-beta unsaturated ketone derivatives useful as herbicides Herbicidal compounds of the formula (I): wherein A is oxygen or sulphur; X is a 1-(1,2,4- triazolyl) or 1-imidazolyl radical; R' is an aliphatic or cycloaliphatic radical substituted by one or more of the following: halogen,...
The hydrogen transfer mechanism of cofactor reduction and recycling processes in the yeast reduction of α,β-unsaturated ketone was studied by using quantitative isotope tracing close to natural abundance measured by 2H NMR. In the reaction, the active cofactor is NADPH. The cofactor-transferred hydr...
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ALPHABETA-UNSATURATED KETONESL-PROLINECONJUGATE ADDITIONORGANIC-SYNTHESISCHIRAL CATALYSTALDOL REACTIONSNUCLEOPHILICITYEFFICIENTALDEHYDESeventeen organocatalyts were tested... Meciarova, M,S Toma,P Kotrusz - 《Organic & Biomolecular Chemistry》 被引量: 165发表: 2006年 2-Pyridinyl beta-ketones as new liga...
Brominations of steroidal hormone having alpha,beta-unsaturated ketone, 17-O-acetyltestosterone, in the presence of silver triflate.steroidshalogenationChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ...
Alpha,beta-Unsaturated aldehyde refers to a compound with a double bond between the alpha and beta carbon atoms, commonly found in organic chemistry. AI generated definition based on: Comprehensive Chirality, 2012 About this pageAdd to MendeleySet alert ...