56209-30-4Relevant articles and documents
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Skinner et al.
, p. 1648 (1950)
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A simple synthesis of 5-spirobarbituric acids and transformations of spirocyclopropanobarbiturates to 5-substituted barbiturates
Singh, Palwinder,Paul, Kamaldeep
, p. 247 - 251 (2007/10/03)
The reactions of barbituric acid and its 1,3-dimethyl derivative with 1,2-dibromoethane, 1,4-dibromobutane, 1,5-dibromopentane and 1,2-bis[bromomethyl] benzene in DMF-K2CO3 (base), TBAHSO4 (catalyst) provide 5-spirobarbitu