Tetrahedron Letters p. 4233 - 4236 (1993)
Update date:2022-08-04
Topics:
Okuma
Tanaka
Ohta
Reaction of oxaphosphoranes with paraformaldehyde yielded novel 7-membered cyclic vinylidene acetals in almost quantitative yield. Phosphonium betaines reacted with parformaldehyde to give new betaines, which further reacted with paraformaldehyde to afford olefins via Wittig reaction.
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Doi:10.1039/c2ob25087j
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(2017)Doi:10.1016/j.poly.2012.02.014
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(1991)Doi:10.1021/ja01165a089
(1950)
