CAS: 18395-90-9; Di-Tert-Butyldichlorosilane

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CAS号56310-18-0 二叔丁基氯硅烷 | CAS号18171-74-9 叔丁基三氯硅烷 | CAS号594-19-4 叔丁基锂 | CAS号30736-07-3 二叔丁基硅烷 | CAS号111470-27-0 5,5-Di-tert-but... | CAS号13321-36-3 dihydroxy-diter... | CAS号93502-90-0 ditert-butyl-ch... | CAS号109-66-0 正戊烷 | CAS号30736-07-3 二叔丁基硅烷 | CAS号56310-20-4 二叔丁基甲基硅烷 | CAS号180332-62-1 N-[ditert-butyl... | CAS号85272-31-7 二叔丁基硅基双(三氟甲烷磺酸) | CAS号1031-15-8 甲基三苯基氯化膦 | CAS号107098-67-9 [(Di-tert-butyl... | CAS号1941-19-1 四甲基氯化膦 | CAS号107098-63-5 [(Di-tert-butyl... | CAS号116077-35-1 ditert-butylsil... | CAS号59409-86-8 ditert-butyl(di...

Di-Tert-Butylchlorosilane置于palladium 10% On Activated Carbon体系中,用 二氯甲烷 用作溶剂,化学反应 16.0H,反应生成二叔丁基氯硅烷
参考文献:二叔丁基二氯硅烷合成方法
标题:二叔丁基二氯硅烷合成方法
摘要:本发明公开了二叔丁基二氯硅烷合成方法,该反应化学反应式为.本发明克服了现有技术的不足,在格氏取代和催化氯化的基础上进行了较大改动,降低了生产风险,减小能耗,更换毒性较小的溶剂,同时提高氯化利用率降低成本.

专利信息

专利号:US-6734313-B2
优先权日:2000-10-20
标题 :Synthesis of spiro esters, spiro ortho carbonates, and intermediates
发明人：SEEMAYER ROBERT; LIANG JACK
权利人:BIOAVAILABILITY SYSTEMS LLC
摘要:Ortho esters and ortho carbonates can be produced by alkylating esters and carbonates with, for example, the hexafluorophosphate salt of a trialkyl oxonium ion. The spiro species are useful intermediates in the synthesis of complex organic molecules. Synthetic pathways for the production of medically active compounds incorporates spiro ortho esters. Anti-first-pass effect materials are produced in high yield utilizing a synthetic strategy incorporating cyclic ortho ester intermediates.

专利号:US-6613918-B1
优先权日:2000-10-20
标 题 :Synthesis of spiro ortho esters, spiro ortho carbonates, and intermediates
发明人：SEEMAYER ROBERT; LIANG JACK
权利人:BIOAVAILABILITY SYSTEMS LLC
摘要:Ortho esters and ortho carbonates can be produced by alkylating esters and carbonates with, for example, the hexafluorophosphate salt of a trialkyl oxonium ion. The spiro species are useful intermediates in the synthesis of complex organic molecules. Synthetic pathways for the production of medically active compounds incorporates spiro ortho esters. Anti-first-pass effect materials are produced in high yield utilizing a synthetic strategy incorporating cyclic ortho ester intermediates.

专利号:US-11434196-B2
优先权日:2019-01-15
标 题 :Process for preparation of 2-Amino-5-hydroxy propiophenone
发明人：VASIREDDI UMA MAHESWER RAO; KINTALI VENKATA RAMANA; DADI JAGADEESWARA RAO; KATKURI RAJ KOTI; TUMMU SRIDHAR
权利人:LAURUS LABS LTD
摘要:The present invention relates to a process for preparation of 2-Amino-5-hydroxy propiophenone, a key intermediate for the synthesis of camptothecin analogs including 7-Ethyl-10-hydroxycamptothecin (SN-38).

专利号:US-4734497-A
优先权日:1985-02-19
标题 :Intermediates for process for chiral synthesis of 1-β-methyl-carbapenem intermediates
发明人：CHRISTENSEN BURTON G; CAMA LOVJI D; SCHMITT SUSAN M
权利人:MERCK & CO INC
摘要:A process is described for selectively obtaining 1- beta -methylcarbapenem intermediates. The desired chirality is obtained through the hydrogenation of certain bicyclic beta -lactam ring structures containing an exocyclic methylene double bond alpha to the beta -lactam ring, in the presence of a Group VIII metal hydrogenation catalyst. The hydrogenation results in a mixture of alpha - and beta -methyl epimers having a high beta / alpha epimeric ratio. New 1- beta -methylcarbapenem intermediates made by the process are also described.

专利号:US-4873324-A
优先权日:1985-02-19
标题 :Process for chiral synthesis of 1-beta-methyl-carbapenem intermediates
发明人：CHRISTENSEN BURTON G; CAMA LOVJI D; SCHMITT SUSAN M
权利人:MERCK & CO INC
摘要:Compounds are disclosed of the structural formula: ##STR1## wherein R 2 is independently selected from hydrogen, linear or branched C 1 -C 3 alkyl, which can be substituted with fluoro, hydroxy, or protected hydroxy, R 3 is hydrogen or a protecting group, X is sulfur or selenium, Q is hydroxymethyl, carboxy or C 1 -C 4 alkoxycarbonyl, and R 1 is C 1 -C 4 alkyl, C 6 -C 10 aryl, or pyridyl which can be substituted with C 1 -C 4 alkyl, alkoxy and nitro; such compound are useful for selectively obtaining 1-β-methylcarbapenem intermediates.

专利号:US-4595750-A
优先权日:1985-02-19
标题 :Process for chiral synthesis of 1-β-methylcarbapenem intermediates
发明人：CHRISTENSEN BURTON G; CAMA LOVJI D; SCHMITT SUSAN M
权利人:MERCK & CO INC
摘要:A process is described for selectively obtaining 1- beta -methylcarbapenem intermediates. The desired chirality is obtained through the hydrogenation of certain bicyclic beta -lactam ring structures containing an exocyclic methylene double bond alpha to the beta -lactam ring, in the presence of a Group VIII metal hydrogenation catalyst. The hydrogenation results in a mixture of alpha - and beta -methyl epimers having a high beta / alpha epimeric ratio. New 1- beta -methylcarbapenem intermediates made by the process are also described.