乙醇,1-氯-1,1,2,2-四氟乙烷置于氢氧化钾体系中,化学反应生成 1,1,2,2-四氟乙基乙醚 参考文献:A New Method Of Preparation Of Esters Of Difluoroacetic Acid1 标题:A New Method Of Preparation Of Esters Of Difluoroacetic Acid1 摘要: DOI:10.1021/ja01160A531
专利号:US-2008280855-A1 优先权日:2005-06-22 标 题 :Process For the Production of Intermediates For the Preparation of Tricyclic Benzimidazoles 发明人:CHIESA MARIA VITTORIA; PALMER ANDREAS; BUHR WILM; ZIMMERMANN PETER JAN; BREHM CHRISTOF; SIMON WOLFGANG-ALEXANDER; POSTIUS STEFAN; KROMER WOLFGANG; ZANOTTI-GEROSA ANTONIO 权利人:NYCOMED GMBH 摘要:The invention relates to a process for the synthesis of compounds of the formula 1-a and compounds of the formula 1-b. n n n n n n n n n n The compounds of the formula 1-a and the compounds of the formula 1-b, in which the substituents R1, R2, R3, and Ar have the meanings indicated in the description, are valuable intermediates for the preparation of pharmaceutically active compounds.