Contrasting reactivity in Lewis acid-promoted reactions of thio- and silyl-allenes with 1,4-benzoquinones

DOI: 10.1016/0040-4039(95)02164-7

Source and publish data:

Tetrahedron Letters p. 327 - 330 (1996)

Update date:2022-08-11

Topics:

Authors:

Engler, Thomas A.

Agrios, Konstantinos

Reddy, Jayachandra P.

Iyengar, Rajesh

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Article abstract of DOI:10.1016/0040-4039(95)02164-7

In Ti(IV)-promoted reactions with 2-methoxy-1,4-benzoquinones 3, thioallenes 1 give 2 + 2 and/or 3 + 2 products via attack on a C = C moiety of the quinone, whereas silylallene 2 gives products derived from attack on a carbonyl group of the quinone.

Full text of DOI:10.1016/0040-4039(95)02164-7

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