CAS: 917-58-8; Potassium Ethylate

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CAS号64-17-5 乙醇 | CAS号7440-09-7 钾离子标准溶液 | CAS号20398-06-5 乙醇铊(I) | CAS号67-64-1 丙酮 | CAS号1733-55-7 二苯基磷酸乙酯 | CAS号100-67-4 苯酚钾 | CAS号3878-46-4 ethyl phenyl ca... | CAS号557-31-3 烯丙基乙基醚 | CAS号4107-65-7 2,4-二甲氧基苯甲腈 | CAS号24599-58-4 2,5-二甲氧基甲苯 | CAS号860594-96-3 2-(2,5-dimethox... | CAS号93-89-0 苯甲酸乙酯 | CAS号100-02-7 对硝基苯酚 | CAS号142-46-1 2,5-二硫二脲

专利信息

专利号:US-8859763-B1
优先权日:2013-05-17
标题 :Process for the synthesis of 3,4-dimethoxybicyclo[4.2.0]OCTA-1,3,5-triene-7-carbonitrile, and application in the synthesis of ivabradine and addition salts thereof with a pharmaceutically acceptable acid
发明人：VAYSSE-LUDOT LUCILE; LE FLOHIC ALEXANDRE; VAULTIER MICHEL; PUCHEAULT MATHIEU; KAMINSKI THOMAS
权利人:SERVIER LAB
摘要:Process for the synthesis of the compound of formula (I): n nApplication in the synthesis of ivabradine, addition salts thereof with a pharmaceutically acceptable acid and hydrates thereof.

专利号:US-4182719-A
优先权日:1977-05-17
标题 :Synthesis of optically active vitamin E
发明人：COHEN NOAL; SAUCY GABRIEL
权利人:HOFFMANN LA ROCHE
摘要:Synthesis of optically active vitamin E from 2-methyl-5-oxotetrahydro-2-furoic acid including intermediates in this synthesis.

专利号:US-11247977-B2
优先权日:2018-06-22
标题 :Compound and use thereof in synthesis of brivaracetam intermediate and crude drug
发明人：FENG YAN; WANG RUYONG; YE YIZHANG; ZHANG FENGSEN; GONG XUAN; WANG ZHONGHONG; KANG XINSHAN
权利人:FUJIAN HAIXI PHARMACEUTICALS CO LTD
摘要:The present application provides a compound in formula III, and further provides a use of the compound in the synthesis of a Brivaracetam intermediate and a crude drug, and a synthesis method. A raw material involved in the method of the present application is low in costs and easily available; (R)-4-propyl-dihydrofuran-2-ketone having high optical purity can be prepared; complicated separation and purification steps are avoided; costs are reduced, and the method is more applicable to industrial production.

专利号:US-4208332-A
优先权日:1977-05-17
标 题:Synthesis of optically active vitamin E
发明人：COHEN NOAL; SAUCY GABRIEL
权利人:HOFFMANN LA ROCHE
摘要:Synthesis of optically active vitamin E from 2-methyl-5-oxotetrahydro-2-furoic acid including intermediates in this synthesis.

专利号:US-4208331-A
优先权日:1977-05-17
标 题:Synthesis of optically active vitamin E
发明人：COHEN NOAL; SAUCY GABRIEL
权利人:HOFFMANN LA ROCHE
摘要:Synthesis of optically active vitamin E from 2-methyl-5-oxotetrahydro-2-furoic acid including intermediates in this synthesis.

专利号:US-4151177-A
优先权日:1977-05-17
标题:Synthesis of optically active vitamin E
发明人：COHEN NOAL; SAUCY GABRIEL
权利人:HOFFMANN LA ROCHE
摘要:Synthesis of optically active vitamin E from 2-methyl-5-oxotetrahydro-2-furoic acid including intermediates in this synthesis.