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

Tetrahydroindeno[1,2-D][1,3,2]oxazaboroles and their use as
enantioselective catalysts
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.
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