(ALPHA),(BETA)-UNSATURATED KETONE AND KETOXIME DERIVATIVEAlpha-beta unsatd. 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.TANAKA MOTOAKI[JP]
The invention discloses a green synthesizing method of alpha, beta-unsaturated ketone or aromatic ketone, which is characterized by the following: adopting relative unsaturated hydrocarbons or aromatic hydrocarbons as raw material; setting imide as catalyst; making azobisisobutyronitrile (AIBN) or benzoyl...
The invention relates to an alpha, beta-unsaturated ketone compound containing a 1,2,4-oxadiazoles heterocycle, the structure of which is as shown in general formula 5, wherein R1 is hydrogen, methyl or chlorine; R2 is methyl, chlorine or bromine; R3 is methyl or ethyl; R4 is para-...
and introducing an alpha, beta-unsaturated ketone group; c, iodinating the compound show in the formula III to obtain a compound shown in the formula ... 牟伊 被引量: 0发表: 2016年 Alpha, beta-unsaturated ketone and ketoxime derivative of EP0454871 Alpha-beta unsatd. ketone and ketoxime...
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...
The geometric configurations of the unsaturated ketones were discussed on the basis of their NMR spectra, and the...doi:10.1002/chin.197036056HIROMICHI KONOMIKIO SHIGAIZUMI MOTOYAMAKAZUO HATAWILEY‐VCH Verlag GmbHChemischer Informationsdienst. Organische Chemie...
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,...
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 ...
Superparamagnetic Core-Shell-Type Fe3O4/Ru Nanoparticles as Catalysts for the Selective Hydrogenation of an Unconstrained α,β-Unsaturated Ketone Superparamagnetic Core-Shell-Type Fe3O4/RuNanoparticles as Catalysts for the Selective Hydrogenation of an Unconstrained,β-Unsaturated Ketone. F.-A. KHAN,...
German Patent DE19848305 Kind Code: C1 Abstract: Process for converting propargyl alcohol derivatives (I) into alpha , beta -unsaturated ketones (II) or alpha , beta -unsaturated alkynes (III) comprises contacting (I) at 20-140 deg C with an acidic cation-exchange resin in an organic solvent...