Construction of Enantiomerically Enriched Diazo Compounds Using Diazo Esters as Nucleophiles: Chiral Lewis Base Catalysis Amazing diazo: The title reaction leads to highly functionalized diazo compounds in good yields with excellent enantioselectivities (see scheme; Boc=tert-b... Haibin,Mao,Aijun,... ...
Hanada, S.; Yuasa, A.; Kuroiwa, H.; Motoyama, Y.; Nagashima, H. Hydrosilanes are not always reducing agents for carbonyl compounds, II: ruthenium-catalyzed deprotection of tert-butyl groups in carbamates, carbonates, esters, and ethers. Eur. J. Org. Chem. 2010, 6, 1021-1025....
What kinds of organic compounds contain a carbonyl group? A. Ethers. B. Alcohols. C. Aldehydes. D. Ketones. E. Esters. Which of the following cyclic molecules are meso compounds? Organic Compounds 1) 2-methylcyclobut-1-ene 2) 1, 2-dibromohexane 3) 2, 2-dimethylpentane 4) 5-methylhep...
(formyl or benzoyl)acrylamide, β-morphine-α-cyanoacrylamide or 2-ethoxy-acrolein, and furthermore also alkyl esters of N-cyano-alkanimidic acids in which alkane and alkyl have up to seven, preferably up to three, carbon atoms, as for example ethyl N-cyano-ethanimidoate or ethyl N-cyano...
Compounds of formula IV can be made by methods known in the art (JACS, 1951, 73, 3763-3770). Compounds of Formula II may be made by methods known in the art (JACS supra) for example by the reaction of a compound of Formula IV with diazomethane or with alkylorthoesters (JACS, 1952...
Across-odorant and across-species comparisons revealed the following: spider monkeys are significantly less sensitive to the odors of aliphatic ketones than to the odor of other classes of aliphatic compounds (1-alcohols,n-aldehydes,n-acetic esters, andn-carboxylic acids) sharing the same carbon ...
It is possible to obtain water-soluble salts from these derivatives by reacting them with an alkyl haloacetate in the presence of a base, then hydrolysis of the esters thus formed to acids and, finally, reaction with an inorganic or organic base. 展开 ...
Admixed composition of (1) copolymer of acrylic acids and esters thereof; (2) epoxy compounds; and (3) dicyandiamide After application coatings may be cured by heating, and compositions containing copolymers comprising 2-ethyl-hexyl-acrylate may include curing catalysts such as tertiary amines, fatt...
The present invention relates to particular esters of bendamustine and related compounds, and medical uses thereof.
The N-alkoxy- or N-aryloxy-substituted compounds can then be converted to the desired polyhydroxy fatty acid amides by reaction with fatty acid methyl esters in the presence of an alkoxide as catalyst. Further nonionic surfactants which can be used with preference are the terminally capped poly(...