2,5-Methano-3,l-benzoxazepines

Benzophenone refluxed 3 days with 2 g.-atoms Li-wire in ether, 2-methylquinoline added, heating continued 2 days, then water added l,2,4,5-tetrahydro-2-methyl-2,5-methano-3,l-benzoxazepine (Y 76.2%) suspended in 70%-H2SO4, heated 12 hrs. at 75°, cooled, digested with water, and stirred with 2 N NH3 2-methyl-4-(diphenylmethyl)quinoline (Y almost 100%). F. e. s. C. E. Crawford, O. Meth-Cohn, and C. A. Russell, Soc. Perkin 11972, 1176. 

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