发明授权
US5495054A Tetrahydroindeno[1,2-D][1,3,2]oxazaboroles and their use as
enantioselective catalysts
失效
四氢茚并[1,2-D] [1,3,2]恶唑硼烷及其作为对映选择性催化剂的用途
- 专利标题: Tetrahydroindeno[1,2-D][1,3,2]oxazaboroles and their use as enantioselective catalysts
- 专利标题(中): 四氢茚并[1,2-D] [1,3,2]恶唑硼烷及其作为对映选择性催化剂的用途
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申请号: US250821申请日: 1994-05-31
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公开(公告)号: US5495054A公开(公告)日: 1996-02-27
- 发明人: Yun Gao , Yaping Hong , Charles M. Zepp
- 申请人: Yun Gao , Yaping Hong , Charles M. Zepp
- 申请人地址: MA Marlborough
- 专利权人: Sepracor, Inc.
- 当前专利权人: Sepracor, Inc.
- 当前专利权人地址: MA Marlborough
- 主分类号: C07D333/36
- IPC分类号: C07D333/36 ; B01J31/02 ; C07B53/00 ; C07B61/00 ; C07C29/143 ; C07C33/20 ; C07C33/30 ; C07C33/46 ; C07C211/20 ; C07D207/32 ; C07D207/325 ; C07D207/335 ; C07D213/38 ; C07D307/52 ; C07F5/02 ; C07C37/01
摘要:
A method for the enantioselective reduction of prochiral ketones using catalytic amounts of tetrahydroindeno[1,2-d][1,3,2] oxazaboroles of formula II is disclosed. ##STR1## The oxazaboroles can be generated in situ from the corresponding cis-1-amino-2-indanols or imino indanols (III) ##STR2## Novel compounds of formulas II and III are also disclosed.
公开/授权文献
- US4923437A Process for applying a localized magnetic or electric field 公开/授权日:1990-05-08
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