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A, Acetyleneketones

Methoxy-l,4,4-triphenylbut-2-yn-l-one and dimethyl acetonedicarboxylate dissolved in tetrahydrofuran, K-t rt-butoxide added portionwise under anhydrous conditions, and stirred 12 hrs. at room temp. dimethyl 2-hydroxy-4-phenyl-6-(a methoxy-a-phenylbenzyl)isophthalate. Y 84%. F. e. s. W. Ried and E. Konig, A. 757,153 (1972) reactions of a,/ -acetyleneketones, review, cf. R. L. Bol shedvors-kaya and L. I. Vereshdiagin, Russ. Chem. Rev. 42, 225 (1973) (Eng. transl.). [Pg.531]

Chromium trioxideipyridine a,j -Acetyleneketones from acetylene derivs. [Pg.52]

See other pages where A, Acetyleneketones is mentioned: [Pg.228]    [Pg.516]    [Pg.395]    [Pg.291]    [Pg.209]    [Pg.313]    [Pg.487]    [Pg.222]    [Pg.225]    [Pg.237]    [Pg.263]    [Pg.407]    [Pg.228]    [Pg.516]    [Pg.395]    [Pg.291]    [Pg.209]    [Pg.313]    [Pg.487]    [Pg.222]    [Pg.225]    [Pg.237]    [Pg.263]    [Pg.407]    [Pg.467]    [Pg.204]    [Pg.260]    [Pg.382]    [Pg.267]    [Pg.565]    [Pg.74]    [Pg.142]    [Pg.206]    [Pg.219]    [Pg.224]    [Pg.232]    [Pg.253]    [Pg.424]    [Pg.424]    [Pg.291]    [Pg.640]    [Pg.660]    [Pg.183]    [Pg.337]    [Pg.252]    [Pg.252]   


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Acetyleneketones

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