Metal catalyzed reductive couplings of π-unsaturated reagents with carbonyl compounds via hydrogenation or transfer hydrogenation has emerged as an alternative to the use of stoichiometric organometallic reagents in carbonyl addition.

中文翻译：

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通过氢化和转移氢化进行还原 CC 偶联：偏离羰基加成中的化学计量金属。

π-不饱和试剂与羰基化合物通过氢化或转移氢化的金属催化还原偶联已成为羰基加成中使用化学计量有机金属试剂的替代方案。