Represented by the general formula below (I) or (II), an epoxy compound having a novel in the same molecule allyl group and having an imide structure and a manufacturing method thereof. (In the above formula, the alkyl group having 1 to 6 carbon atoms or a hydrogen atom, or R and R...
1 means a hydrogen atom or an alkyl group with 1-6 ... H Hummel-Maquardt,M Kennecke,A Weber,... - US 被引量: 3发表: 1992年 A formula for the elasticity of substitution of a large class of smooth utility functions ? 2023 Elsevier B.V.We derive a general formula for the ...
For such syntheses, compounds of the type RX are required, where R is a fluoroalkyl group (CF 3 , CF 2 Cl, C 2 F 5 , etc.) and X is a reactive group. The fluoroacids ( X = COOH) are examples of such compounds, but lead in general to compounds of the general formula R CH...
Wolfgang SchwedeArwed CleveUlrich KlarGunter NeefKristof ChwaliszMartin SchneiderUlrike FuhrmannHolger Heb-StumppUSUS6806263 Nov 27, 2002 Oct 19, 2004 Schering Ag New 17 alpha -fluoroalkyl steroids of general formula i as antiestrogens
wherein R is an alkyl group having a carbon atom of integer 8 to 24, or a mono-, di-, ti-phenyl group substituted by alkyl group having a carbon atom of integer 1 to 10; (B) an acid phosphoric ester represented by the following general formula, and having an acid value in the ra...
CONSTITUTION: This composition comprises (A) a reactive dyestuff of formula I and/or a reactive dyestuff of formula II (R<0> , R<1> , R<2> are H, 1-3C alkyl; R<3> is H, halogen, 1-3C alkyl; X is CH=CH2 , C2 H4 OSO3 , C2 H4 , Cl; L is OH; M is group of ...
Alkyl gallium(I) derivatives with gallium in an unusual low oxidation state of +I are important starting materials for the synthesis of novel organo galliu... W Uhl,A Jantschak - 《Journal of Organometallic Chemistry》 被引量: 90发表: 1998年 The reaction of the group-13 alkyls ER 3 (E...
(57)< Abstract > General expression I: [In formula, as for R and R hydrogen and C - C alkyl groups, C - C alkoxy groups, or ji - (C - C alkyls) you display the amino group, at the same time as for R being suspended by oxygen atom, you display C - C alkyl groups which ...
reacting an alkylating agent with a feed comprising an aromatic compound selected from the group consisting of toluene, benzene, naphthalene, alkyl naphthalene and mixtures thereof in the presence of a catalyst under alkylation reaction ... This invention relates to a process for the selective alkylat...
申请(专利权)人: BEECHAM GROUP PLC.发明人: E Farouk 摘要: A process for the preparation of a pure (3S,4R)-isomer of a compound of formula (A): <CHEM> wherein one of R1 and R2 is hydrogen and the other is selected from the class of alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy,...