公开(公告)号：EP1560804B1

公开(公告)日：2009-04-29

申请号：EP03772310.3

申请日：2003-11-06

Applicant: Dipharma Francis S.r.l.

Inventor： FRANCESCUTTI, Nevio ,  SCUBLA, Tiziano ,  GORASSINI, Fausto ,  CASTALDI, Graziano

IPC: C07C201/02 ,  C07C203/04 ,  C01B21/46

CPC classification number: C01B21/46 ,  C07C201/02 ,  C07C203/04

Abstract: A process for the preparation of compounds of formula: HO-A-ONO2 (I) wherein A is a C2-C6 alkylene chain by nitration of the corresponding alkanediols with 'stabilised' nitric acid is herein disclosed. The process is safer to operators and allows to obtain advantageous yields on an industrial scale.

公开(公告)号：EP1560805B1

公开(公告)日：2007-07-04

申请号：EP03778304.0

申请日：2003-11-06

Applicant: Dipharma Francis S.r.l.

Inventor： SCUBLA, Tiziano ,  FRANCESCUTTI, Nevio ,  GORASSINI, Fausto ,  CASTALDI, Graziano

IPC: C07C201/02 ,  C07C203/04

CPC classification number: C07C203/04 ,  C07C201/02

Abstract: A process for the purification of 1,4-butanediol mononitrate from 1,4-butanediol dinitrate and 1,4-butanediol, by selective extraction with solvents is herein disclosed.