CAS: 19845-69-3; 1,6-Bis(Diphenylphosphino)Hexane

上下游产品

CAS号629-03-8 1,6-二溴己烷 | CAS号829-85-6 二苯基膦 | CAS号35387-44-1 Phosphine oxide... | CAS号81194-93-6 (3-Methyl-2-but...

1,6-二溴己烷,二苯基膦置于cesium Hydroxide,4 Angstroem Ms体系中,用 N,N-二甲基甲酰胺 用作溶剂,化学反应 72.0H,以69%的收率获得1,6-双(二苯基膦基)己烷
参考文献:Csoh促进的p-烷基化:方便高效地合成叔膦
标题:Csoh促进的p-烷基化:方便高效地合成叔膦
摘要:已经开发了温和而有效的合成叔膦和二叔膦的方法.在室温下存在氢氧化铯,分子筛和dmf的情况下,检查了各种仲膦和烷基溴化物,结果表明,该方法可提供一般的合成方法,以中等至高收率生产叔膦.还描述了旋光性叔膦的合成.
Doi:10.1016/j.Tetlet.2003.09.117

专利信息

专利号:US-4720573-A
优先权日:1986-07-31
标 题:Process for synthesis of glutamic acid from acrylate, amide and synthesis gas
发明人：LIN JIANG-JEN
权利人:TEXACO INC
摘要:A process for the synthesis of glutamic acid intermediate from an acrylate, amide and syngas by reacting them in the presence of a catalyst comprising a cobalt-containing compound, a bis-phosphine ligand and a solvent at a pressure of at least 500 psi and a temperature of at least 50° C. and thereafter extracting the glutamic acid.

专利号:WO-0125179-A1
优先权日:1999-10-01
标 题:Preparation of tetracyclic intermediates
发明人：CHEN QING PING; WOODS ROSS ALEXANDER; ELLIOTT ROBYN LOUISE
权利人:INST OF DRUG TECHNOLOGY AUSTRA; CHEN QING PING; WOODS ROSS ALEXANDER; ELLIOTT ROBYN LOUISE
摘要:The invention provides a process for preparing deoxytetracyclic compounds of formula (I) useful in the synthesis of anthracyclines by the rearrangement of thiono ester derivatives followed by reduction, as well as intermediates useful therefor. In said formula, R is H or optionally protected OH.

专利号:US-8138272-B2
优先权日:2006-05-22
标 题:Preparation of polymer conjugates of therapeutic, agricultural, and food additive compounds
发明人：KONRADI ANDREI W; SMITH JENIFER L
权利人:KONRADI ANDREI W; SMITH JENIFER L; ELAN PHARM INC
摘要:This invention provides an improved synthesis of polymer conjugates of formula (I), n nof agricultural, therapeutic, and food additive compounds. In particular, a process is described for the preparation of conjugates by treating primary or secondary alcohol substituents of active compounds with polymeric nucleophiles using “Mitsunobuâ€? or related reaction conditions.

专利号:EP-0313692-B1
优先权日:1987-10-27
标 题:Process for synthesis of glumatic acid from acrylate, amide and synthesis gas

专利号:EP-0313692-A1
优先权日:1987-10-27
标 题 :Process for synthesis of glumatic acid from acrylate, amide and synthesis gas

专利号:CA-1316934-C
优先权日:1987-08-14
标题 :Process for synthesis of glutamic acid from acrylate, amide and synthesis gas