Processes for preparing substituted chromanol derivatives
申请人:Pfizer Inc.
公开号:US06096906A1
公开(公告)日:2000-08-01
The invention relates to processes for preparing a compound of the formula (X) and the enantiomer of said compound, wherein the benzoic acid moiety is attached at position 6 or 7 of the chroman ring, and R.sup.1, R.sup.2 and R.sup.3 are as defined herein. The invention further relates to intermediates that are useful in the preparation of the compound of formula (X). ##STR1##
Intermediates and processes for preparing substituted chromanol derivatives
申请人:Pfizer Inc.
公开号:US20030158428A1
公开(公告)日:2003-08-21
The invention relates to processes for preparing a compound of the formula
1
and the enantiomer of said compound, wherein the benzoic acid moiety is attached at position 6 or 7 of the chroman ring, and R
1
, R
2
, and R
3
are as defined herein. The invention further relates to intermediates that are useful in the preparation of the compound of formula X above.
[EN] PROCESSES AND INTERMEDIATES FOR PREPARING SUBSTITUTED CHROMANOL DERIVATIVES<br/>[FR] PROCEDE ET INTERMEDIAIRES POUR LA PREPARATION DE DERIVES DE CHROMANOL SUBSTITUES
申请人:PFIZER INC.
公开号:WO1998011085A1
公开(公告)日:1998-03-19
(EN) The invention relates to processes for preparing a compound of formula (X) and the enantiomer of said compound, wherein the benzoic acid moiety is attached at position 6 or 7 of the chroman ring, and R1, R2, and R3 are as defined herein. The invention further relates to intermediates that are useful in the preparation of the compound of formula (X).(FR) L'invention concerne des procédés de préparation d'un composé de formule (X) et l'énantiomère dudit composé. Dans ladite formule (X), la fraction d'acide benzoïque est attachée en position 6 ou 7 du cycle chromane, et R1, R2 et R3 sont tels que définis dans la description. L'invention porte aussi sur des intermédiaires qui sont utiles dans la préparation du composé de formule (X).
The invention relates to processes for preparing a compound of the formula
1
and the enantiomer of said compound, wherein the benzoic acid moiety is attached at position 6 or 7 of the chroman ring, and R
1
, R
2
, and R
3
are as defined herein. The invention further relates to intermediates that are useful in the preparation of the compound of formula X above.
Processes and intermediates for preparing substituted chromanol derivatives
申请人:Pfizer Inc.
公开号:US06444826B1
公开(公告)日:2002-09-03
The invention relates to processes for preparing a compound of the formula
and the enantiomer of said compound, wherein the benzoic acid moiety is attached at position 6 or 7 of the chroman ring, and R1, R2, and R3 are as defined herein. The invention further relates to intermediates that are useful in the preparation of the compound of formula X above.