Пара статей из Synth. Comm.

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Reaction of β-Diketones with Triphenylphosphine Dihalides: A New, Efficient Synthesis of Cyclic β-Chloro-, β-Bromo- and β-Iodo-agr,β-Unsaturated Ketones
Edward Piers; Isao Nagakura
Synthetic Communications, Volume 5, Issue 3 (1975) , pages 193 - 199

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http://dx.doi.org/10.1080/00397917508064109

Methylation of Dimedone
Robin D. Clark; John E. Ellis; Clayton H. Heathcock
Synthetic Communications, Volume 3, Issue 5 (1973) , pages 347 - 354

Код: Выделить всё

http://dx.doi.org/10.1080/00397917308063488 

Заранее спасибо

[Biginelli]