| 发明名称 |
PROCESSES AND INTERMEDIATES FOR PREPARING SUBSTITUTED CHROMANOL DERIVATIVES |
| 摘要 |
The invention relates to processes for preparing a compound of formula (X) a nd 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 th e preparation of the compound of formula (X).
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| 申请公布号 |
CA2265043(C) |
申请公布日期 |
2003.01.14 |
| 申请号 |
CA19972265043 |
申请日期 |
1997.08.25 |
| 申请人 |
PFIZER INC. |
发明人 |
KELLY, SARAH E.;RAGGON, JEFFREY W.;CARON, STEPHANE;CASTALDI, MICHAEL J.;RUGGERI, SALLY G.;DUGGER, ROBERT W.;PISCOPIO, ANTHONY D.;HAWKINS, JOEL M. |
| 分类号 |
B01J23/44;B01J31/24;C07C33/50;C07D311/22;C07F5/02;C07F5/04;(IPC1-7):C07D311/22;C07C205/19;C07C49/245;C07C33/26 |
主分类号 |
B01J23/44 |
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