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CAS号931-51-1 环己基氯化镁 | CAS号75-78-5 二甲基二氯硅烷 | CAS号62399-01-3 cyclohexyl-[cyc... | CAS号274676-43-6 cyclohexyldimet...专利信息
专利号:US-4914220-A
优先权日:1988-05-23
标题 :Process for synthesis of E-2-methyl-α,β-unsaturated aldehydes
发明人:DESMOND RICHARD; MILLS SANDER G; VOLANTE RALPH P; SHINKAI ICHIRO
权利人:MERCK & CO INC
摘要:A process is described for the synthesis of E-2-methyl-α,β-unsaturated aldehydes, which are useful as intermediates in the synthesis of the macrolide structure of the immunosuppressant FK-506. These compounds are also useful as ultraviolet radiation absorbers.
专利号:US-7214807-B2
优先权日:2000-02-25
标 题 :Method for the preparation of fluticasone and related 17β-carbothioic esters using a novel carbothioic acid synthesis and novel purification methods
发明人:BARKALOW JUFANG; CHAMBERLIN STEVEN A; COOPER ARTHUR J; HOSSAIN AZAD; HUFNAGEL JOHN J; LANGRIDGE DENTON
权利人:ABBOTT LAB
摘要:This invention discloses a novel method for the conversion of carboxylic acids to carbothioic acids and application of the method to the preparation of androstane carbothiolates, such as fluticasone propionate, which avoids column chromatography.
专利号:EP-0343709-A2
优先权日:1988-05-23
标题 :Process for synthesis of E-2-methyl-alpha-beta-unsaturated aldehydes
专利号:MX-PA02008275-A
优先权日:2000-02-25
标 题:METHOD FOR PREPARING FLUTICASONE AND RELATED 17E-CARBOTIOIC ESTERS, USING A NOVEDOUS SYNTHESIS OF CARBOTIOIC ACID AND NOVEDOUS PURIFICATION METHODS.
专利号:JP-2010532759-A
优先权日:2007-07-06
标 题 :Method for the synthesis of substituted tetracycline compounds
专利号:JP-2003529564-A
优先权日:2000-02-25
标 题 :Process for the preparation of fluticasone and related 17.beta.-carbothioates using a novel method of synthesis and a novel purification method of carbothioic acid