CAS: 63500-71-0; 2-Isobutyl-4-Methyltetrahydro-2H-Pyran-4-Ol

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1677677-89-2 1821794-32-4 857176-31-9

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CAS号53045-57-1 4-chloro-4-meth...

📜4-Chlorotetrahydro-4-Methyl-2-(2-Methylpropyl)-2H-Pyran置于双氧水体系中,化学反应 24.0H,以61%的收率获得产物4-甲基-2-(2-甲基丙基)-2H-四氢吡喃-4-醇
参考文献:Arakelyan,A. S.; Dvoryanchikov,A. I.; Gevorkyan,A. A.,Journal Of Organic Chemistry Ussr (English Translation),1987,Vol. 23,# 11,P. 2047-2050
标题:Arakelyan,A. S.; Dvoryanchikov,A. I.; Gevorkyan,A. A.,Journal Of Organic Chemistry Ussr (English Translation),1987,Vol. 23,# 11,P. 2047-2050

专利信息

专利号:WO-2018192923-A1
优先权日:2017-04-18
标题 :Alpha alkylation of aldehyde with a polycyclic olefin
发明人：QUINTAINE JULIE; MACMILLAN DAVID W C
权利人:FIRMENICH & CIE
摘要:The present invention relates to the field of organic synthesis and more specifically to the alpha alkylation of an aldehyde with a polycyclic olefin followed by a ring opening step in order to provide compound of formula (I) in the form of any one of its stereoisomers or a mixture thereof and wherein R represents a hydrogen atom or C 1-8 linear alkyl group; R 1 , R 2 , R 3 and R 4 represent, when taken separately, independently of each other, a hydrogen atom or a C 1-2 linear alkyl group or a C 3-4 linear or branched alkyl group; or R 2 and R 3 , when taken together, represent a C 4-10 linear, branched or cyclic alkanediyl group and n is 1 or 2.

专利号:CA-2640585-A1
优先权日:2003-02-05
标题 :Synthesis of 2-butyl-3-(2'-(1-trityl-1h-tetrazol-5-yl)biphenyl-4-yl)-1,3-diazaspirol{4,4}-non-ene-4-one

专利号:EP-3207033-A1
优先权日:2014-10-18
标题 :Synthesis of chirally enriched 2,4-disubstituted tetrahydropyran-4-ol and its derivatives

专利号:WO-2016059648-A1
优先权日:2014-10-18
标 题:Synthesis of chirally enriched 2,4-disubstituted tetrahydropyran-4-ol and its derivatives

专利号:US-2025034074-A1
优先权日:2021-11-25
标题:Process for preparing a cyclic diene
发明人：JACOBY DENIS; CHAPPUIS SIMONE; KELLER FABRICE
权利人:FIRMENICH & CIE
摘要:The present invention relates to the field of organic synthesis and more specifically it concerns a process for preparing compound of formula (I) comprising the reaction of a compound of the formula (II) with a base having a boiling point superior to the boiling point of the compound of formula (I). Moreover, the compound of formula (I) and the compound of formula (II) are also part of the invention.

专利号:US-2024327367-A1
优先权日:2021-07-30
标 题 :Process for preparing a oxacylohexane or oxacylopentane derivative
发明人：DAPSENS PIERRE-YVES; VILCOQ LEA
权利人:FIRMENICH & CIE
摘要:The present invention relates to the field of organic synthesis and, more specifically, it concerns a process for the preparation of a cycloether of formula (I) comprising the cyclisation of compound of formula (II) performed in the presence of heterogenous acidic catalyst.