Catalytic asymmetric prop-2-ynylation involving the use of the bifunctional synergetic reagent Et2BSPri

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Chan-Mo Yu, Sook-Kyung Yoon, Ha-Soon Choi and Kwangwoo Baek


Abstract

Efficient catalytic asymmetric prop-2-ynylation of achiral aldehydes with allenyltributylstannane promoted by a BINOL–TiIV complex (10 mol%) is achieved with high enantioselectivity by the use of Et2BSPri.


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