Peculiar Features of Reaction of 2-tert-Butoxy-5,6-benzo-1,3,2-dioxaphosphinin-4-one with Chloral. Steric Structure of 2-Chloro-3-trichloromethyl-6,7-benzo-1,4,25-dioxaphopshepin-5-one 2-Oxide

Authors: Konovalova, I.V.; Burnaeva, L.M.; Mironov, V.F.; Gubaidullin, A.T.; Dobrynin, A.B.; Litvinov, I.A.; Romanov, S.V.; Zyablikova, T.A.; Yashagina, O.V.

Source: Russian Journal of General Chemistry, Volume 72, Number 8, August 2002 , pp. 1186-1194(9)

Publisher: MAIK Nauka/Interperiodica

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Abstract:

The reaction of 2-tert-butoxy-5,6-benzo-1,3,2-dioxaphosphinin-4-one with chloral involves expansion of the six-membered heteroring to form 2-hydroxy-3-trichloromethyl-6,7-benzo-1,4,25-dioxaphosphepin-5-one 2-oxide as a single diastereomer. The product was chlorinated with thionyl chloride to obtain (RS,SR)-2-chloro-3-trichloromethyl-6,7-benzo-1,4,25-dioxaphosphepin-5-one 2-oxide.

Document Type: Research Article

Affiliations: Kazan State University, Kazan, Tatarstan, Russia Arbuzov Institute of Organic and Physical Chemistry, Kazan Research Center, Russian Academy of Sciences, Kazan, Tatarstan, Russia

Publication date: August 1, 2002

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