公开(公告)号：US20030032836A1

公开(公告)日：2003-02-13

申请号：US10173567

申请日：2002-06-18

Applicant: ATOFINA

Inventor： Gilles Drivon ,  Jean-Philippe Gillet ,  Christophe Ruppin

IPC: C07C069/63 ,  C07C051/16

CPC classification number: C07C51/58 ,  C07C67/00 ,  C07C69/63

Abstract: The invention relates to a method for preparing bromodifluoroacetic compounds which comprises converting a 1,1-diflouro-1,2-dibromodihaloethane with oleum having 50-70% SO3 to a bromodifluoroacetyl halide (bromide or chloride) and then in reacting the latter directly with either an alcohol, or with water.

Abstract translation: 本发明涉及一种制备溴二氟乙酸化合物的方法，其包括将具有50-70％SO 3的发烟硫酸的1,1-二溴-1,2,2-二溴二卤代乙烷与溴二氟乙酰卤（溴化物或氯化物）反应，然后将其与 不管是酒精还是用水。

公开(公告)号：US20010056200A1

公开(公告)日：2001-12-27

申请号：US09819950

申请日：2001-03-29

Applicant: ATOFINA

Inventor： David Reeves ,  Christophe Ruppin ,  Didier Faure

IPC: C07F007/10

CPC classification number: C07F7/1888 ,  C07F7/188

Abstract: For preparing bis-silyl carboxamides in a semi-continuous, reacting an amide or the N-trimethylsilyl derivative thereof with a silylating agent and, at the same time, extracting the bis-silyl carboxamide formed by distillation under reduced pressure.

Abstract translation: 为了制备半连续的双甲硅烷基甲酰胺，使酰胺或其N-三甲基甲硅烷基衍生物与甲硅烷基化试剂反应，同时提取通过减压蒸馏形成的双甲硅烷基甲酰胺。