Unusual heterocyclisation in the transformation of 6-halomethylsulfonyl-substituted bicyclo[3.1.1]heptane under Ramberg-Backlund reaction conditions
A. Vasin, Viktor; V. Romanova, Ella; G. Kostryukov, Sergei; V. Razin, Vyacheslav
Журнал:
Mendeleev Communications
Дата:
1998
Аннотация:
Boiling of exo-6-bromo-syn-7-bromo(chloro)methylsulfonyl-endo-6-phenylbicyclo[3.1.1]heptane in water-dioxane solutions of NaOH results in anti-6-hydroxy-7-methylene-syn-6-phenylbicyclo[3.1.1]heptane according to the Ramberg-Backlund reaction; in addition, a product of unusual heterocyclisation is formed, namely, 3-oxa-2-phenyl-5-thiatricyclo[4.4.0.0<sup>2,7</sup>]decane S,S-dioxide.
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