The present invention relates to a novel process for the preparation of almotriptan and pharmaceutically acceptable salts thereof, which affords product conveniently and efficiently with commercially acceptable yields and purity. The present invention also relates to a novel synthetic intermediate used in the process.
[EN] PROCESS FOR THE PREPARATION OF ZOLMITRIPTAN, SALTS AND SOLVATES THEREOF<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION DE ZOLMITRIPTAN, SES SELS ET SES SOLVATS
申请人:GENERICS UK LTD
公开号:WO2009044211A1
公开(公告)日:2009-04-09
The present invention relates to an improved process for the preparation of the activepharmaceutical ingredient zolmitriptan. In particular, it relates to an efficient process for the preparation of zolmitriptan and its pharmaceutically acceptable salts and solvates.
The present invention relates to a novel process for the preparation of almotriptan and pharmaceutically acceptable salts thereof, which affords product conveniently and efficiently with commercially acceptable yields and purity. The present invention also relates to a novel synthetic intermediate used in the process.
Novel process for producing 6-acyl-7-deacetylforskolin derivatives
申请人:HOECHST JAPAN LIMITED
公开号:EP0469428A1
公开(公告)日:1992-02-05
A process for the manufacture of a 6-acyl-7-deacetylforskolin derivative represented by formula (1)
by reacting a 7-acyl-7-deacetylforskolin derivative represented by formula (II)
with a strong base in an aprotic solvent.
一种制造由式(1)代表的 6-酰基-7-脱乙酰基佛司可林衍生物的工艺
将式 (II) 所代表的 7-酰基-7-脱乙酰基佛司可林衍生物
与强碱在无色溶剂中反应。
AMIDE DERIVATIVES
申请人:Sumitomo Pharmaceuticals Company, Limited
公开号:EP1184367A1
公开(公告)日:2002-03-06
A prodrug of the compound given by formula:
wherein Ar is an optionally substituted phenyl group or optionally substituted aromatic heterocyclic group; n is an integer of 0, 1 or 2;
R1 is a hydogen atom or an optionally substituted alkyl group; R2 and R3 are independently an optionally substituted alkyl group, or R2 may be bonded with R1 or R3 and taken together with the carbon atom adjacent thereto to form an optionally substituted cycloalkane ring;
R4 and R5 are independently hydrogen atom or an optionally substituted alkyl group;
R6 is a hydrogen atom, hydroxy group or alkyl group;
which is useful as a medicament for treating neurodegenerative disorders such as retinal neurodegenerative disorders and the like.