CAS: 77-71-4; 5,5-Dimethylimidazolidine-2,4-Dione

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N-氰基-N'-甲基乙脒置于二氧化碳,水体系中,化学反应生成 5,5-二甲基海因
参考文献:高效非对映选择性合成4-N-甲基甲酰胺基特灵(gv129606),一种有效的抗菌剂
标题:高效非对映选择性合成4-N-甲基甲酰胺基特灵(gv129606),一种有效的抗菌剂
摘要:在本文中,报道了4-N-甲基甲酰胺基trinem 3的高度非对映选择性合成.与以前使用的路线相比,该路线具有优势,即更高的总收率,坚固性,避免了有毒试剂.大多数化合物通过沉淀分离,因此减少了色谱分离次数.通过使用清除剂树脂的新方法获得了4-N-甲基氨基三苯甲基11到gv129606 3的有效转化.本文提出的途径可以为早期开发研究准备所需的材料,并证明环己烯基氮杂环丁酮12的多功能性 在合成4-取代的triems.
DOI:10.1016/s0040-4020(00)00414-2

专利信息

专利号:US-6403793-B2
优先权日:2000-06-12
标 题 :Intramolecular glycosidation process for the synthesis of (2R, 2-alpha-R, 3a)-2-[1-(3,5- bis (trifluoromethyl) phenyl)ethoxy]-3-(4-fluorophenyl)-1,4-oxazine
发明人：PYE PHILIP J; ROSSEN KAI
权利人:MERCK & CO INC
摘要:The present invention is concerned with novel processes for the preparation of (2R-cis)-2-[[1-[3.5-bis(trifluoromethyl)phenyl]ethenyl]oxy]-3-(4-fluorophenyl)-4-(phenylmethyl) mopholine. This compound is useful as an intermediate in the synthesis of compounds which possess pharmacological activity.

专利号:US-6255545-B1
优先权日:1999-06-11
标 题 :Process for the synthesis of 3,5-bis(trifluoromethyl)-bromobenzene
发明人：CVETOVICH RAYMOND; TSAY FUH-RONG
权利人:MERCK & CO INC
摘要:The present invention is concerned with a novel process for the preparation of 3,5-bis(trifluoromethyl)bromobenzene (CAS 328-70-1). This compound is useful as an intermediate in the synthesis of compounds which possess pharmacological activity.

专利号:WO-0076947-A1
优先权日:1999-06-11
标题:Process for the synthesis of 3,5-bis(trifluoromethyl)-bromobenzene
发明人：CVETOVICH RAYMOND; TSAY FUH-RONG
权利人:MERCK & CO INC; CVETOVICH RAYMOND; TSAY FUH RONG
摘要:The present invention is concerned with a novel process for the preparation of 3,5-bis(trifluoromethyl)bromobenzene (CAS 328-70-1). This compound is useful as an intermediate in the synthesis of compounds which possess pharmacological activity.

专利号:US-8815351-B2
优先权日:2005-09-15
标 题:Method for attachment of silicon-containing compounds to a surface and for synthesis of hypervalent silicon-compounds
发明人：OWENS JEFFREY R
权利人:OWENS JEFFREY R; US AIR FORCE
摘要:A method for attaching silicon-containing compounds to a surface and for synthesis of hypervalent silicon-compounds is described. Attaching silicon-containing compounds to a surface comprises providing a silicon-containing compound having two or more leaving groups, and a first functional compound comprising at least one nucleophilic group, contacting the silicon-containing compound and the functional compound with a surface of a substrate having nucleophilic sites and exposing the silicon-containing compound, the functional compound and the surface of the substrate to microwave radiation.

专利号:US-8450365-B2
优先权日:2009-05-12
标 题 :Efficient synthesis of galanthamine
发明人：MAGNUS PHILIP D; FAUBER BEN; SANE NEERAJ
权利人:MAGNUS PHILIP D; FAUBER BEN; SANE NEERAJ; UNIV TEXAS
摘要:The present invention relates to methods for the synthesis of galanthamine, morphine, intermediates, salts and derivatives thereof. In preferred embodiments, the invention relates to methods for improving the efficiency and overall yield of said morphine, morphine related derivatives and intermediates thereof. In further embodiments, the invention relates to methods for improving the efficiency and overall yield of galanthamine and intermediates thereof.

专利号:US-6350915-B1
优先权日:1999-06-11
标 题:Process for the synthesis of 1-(3,5-bis(trifluoromethyl)-phenyl)ethan-1-one
发明人：CVETOVICH RAYMOND
权利人:MERCK & CO INC
摘要:The present invention is concerned with a novel process for the preparation of 1-(3,5-bis(trifluromethyl)phenyl)ethan-1-one (CAS 30071-93-3). This compound is useful as an intermediate in the synthesis of therapeutic agents.