CAS: 638-10-8; Ethyl 3-Methylbut-2-Enoate

相似化合物

541-47-9 556-82-1 107-86-8

上下游产品

CAS号867-13-0 磷酰基乙酸三乙酯 | CAS号67-64-1 丙酮 | CAS号64-17-5 乙醇 | CAS号541-47-9 3,3-二甲基丙烯酸 | CAS号1458-98-6 3-溴-2-甲基丙烯 | CAS号201230-82-2 carbon monoxide | CAS号141-52-6 乙醇钠 | CAS号20411-76-1 3-Butyn-2-ol,4-... | CAS号609-12-1 2-溴代异戊酸乙酯 | CAS号5340-78-3 叔丁基乙酸乙酯 | CAS号4759-48-2 异维A酸 | CAS号51318-62-8 乙基 4-溴-3-甲基-2-BUT烯酸酯 | CAS号51371-55-2 (Z)-Ethyl 4-Bro... | CAS号488-10-8 顺茉莉酮 | CAS号41891-54-7 3-甲基-4-膦酰丁烯酸三乙酯 | CAS号17945-48-1 3-Methyl-3-(met... | CAS号18289-63-9 ethyl 3-methyl-... | CAS号23089-87-4 5-methylhex-4-e... | CAS号21421-66-9 5,7-dimethoxy-2...

3,3-二甲基丙烯酸置于2-Oxo-3-Trimethyltetrahydro-1,3-Oxazole,三乙胺,二溴三苯基膦体系中,用 二氯甲烷 作为反应溶剂,化学反应 1.0H,反应生成 3-甲基-2-丁烯酸乙酯
参考文献:Aizpurua,Jesus Mari; Palomo,Claudio,Synthesis,1982,# 8,P. 684-686
标题:Aizpurua,Jesus Mari; Palomo,Claudio,Synthesis,1982,# 8,P. 684-686

专利信息

专利号:US-2019047933-A1
优先权日:2016-03-15
标 题:Process for the synthesis of (2e, 4e, 6z, 8e)-8-(3,4-dihydronaphthalen-1(2h)-ylidene)-3,7-dimethylocta-2, 4, 6-trienoic acid
发明人：ABEL ULRICH; RÉPÃ?SI JÓZSEF; Szabó András; SZÃœCSNÉ CSERÉPI STEFÃ?NIA; Bor Ã?dám
权利人:ABEL ULRICH; REPASI JOZSEF; SZABO ANDRAS; SZUECSNE CSEREPI STEFANIA; BOR ADAM; BRICKELL BIOTECH INC
摘要:This invention relates to a novel method for the synthesis of (2E,4E,6Z,8E)-8-(3,4-dihydronaphthalen-1(2H)-ylidene)-3,7-dimethylocta-2,4,6-trienoic acid. In particular, the invention relates to several improvements in several individual steps of the multi-step synthesis scheme

专利号:US-9994508-B2
优先权日:2012-12-11
标 题:Versatile and functionalised intermediates for the synthesis of vitamin D and novel vitamin D derivatives
发明人：LOPEZ PEREZ BORJA; SIGUEIRO PONTE RITA; MAESTRO SAAVEDRA MIGUEL A; MOURINO MOSQUERA ANTONIO
权利人:ENDOTHERM GMBH
摘要:Novel intermediates for the complete synthesis of vitamin D are provided that allow a great versatility of functional groups in the final vitamin derivatives. Vitamin derivatives that are epimeric in position 3 and vitamin derivatives with a wide range of functionalities in position 18, including compounds with isotopic labelling are provided.

专利号:WO-2025108575-A1
优先权日:2023-11-21
标 题:Methods of selective deprotection and synthesis of transhydrindane- skeleton-based compounds
发明人：HUBER FLORIAN MAURITIUS ERASMUS
权利人:ROCHE DIAGNOSTICS GMBH
摘要:The present invention relates to methods of selectively deprotecting a transhydrindane-skeleton-based compound comprising at least two different silyl ether groups. The present invention further relates to methods of synthesizing a Vitamin D molecule and to Vitamin D molecules obtainable by such processes. Furthermore, the present invention relates to a compound according to formula (I) comprising two different silyl ether groups, its use in the synthesis of Vitamin D molecules and to methods of producing such a compound.

专利号:US-7425629-B2
优先权日:2005-09-30
标 题:Stereoselective synthesis of certain trifluoromethyl-substituted alcohols
发明人：SONG JINHUA J; REEVES JONATHAN T; ROSCHANGAR FRANK; TAN ZHULIN; YEE NATHAN K
权利人:BOEHRINGER INGELHEIM PHARMA
摘要:A process for stereoselective synthesis of a compound of Formula (I) n nwherein R 1 , R 2 , R 3 , R 4 , and R 5 are as described herein.

专利号:US-5514821-A
优先权日:1994-05-27
标 题 :Ring-labeled retinoids and intermediates, and methods for their synthesis and use
发明人：BENNANI YOUSSEF L; BOEHM MARCUS F
权利人:LIGAND PHARM INC
摘要:Methods for the synthesis of dideuterium and/or ditritium ring-labeled retinoids and intermediates, and their use in the discovery of Retinoid X Receptor ligands are provided. In addition, dideuterium and/or ditritium ring-labeled retinoids and novel intermediates, as well as methods for their use in ligand binding and mass spectral studies are also provided.

专利号:US-3804882-A
优先权日:1970-08-05
标 题:Intermediates useful in the synthesis of vitamin a
发明人：JULIA M
权利人:RHONE POULENC SA
摘要:SULPHONES OF THE FORMULA: 1,3,3-TRI(ME-),2-(Q-OOC-CH=C(-ME)-CH(-SO2-R)-CH2-CH= C(-ME)-CH=CH-)CYCLOHEXENE IN WHICH R IS ARYL AND Q IS HYDROGLEN OR HYDROCARBON RADICAL, WHICH ARE MADE BY REACTING, PREFERABLY AT LOW TEMPERATURE. A HALIDE OF THE FORMULA: 1,3,3-TRI(ME-),2-(X-CH2-CH=C(-ME)-CH=CH-)CYCLOHEXENE AND A SULPHONE OF THE FPRMULA: R-SO2-CH2-C(-ME)=CH-COO-Q ARE USE FUL INTERMEDIATES FOR PRODUCING VITAMIN A INTO WHICH THEY MAY BE CONVERTED BY SAPONIFICATION, DESUPHONATION, AND REDUCTION.