unexpected results in the friedlaender reaction of 4-aryl-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4h-...

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2007 Oxazine derivatives R 0595 Unexpected Results in the Friedlaender Reaction of 4-Aryl-7,7-dimethyl-5-oxo- -5,6,7,8-tetrahydro-4H-[1]benzopyran-3-carbonitriles. — Friedlaender reaction of title carbonitriles (I) with cyclohexanone affords the unexpected imidates (IV) in addi- tion to the expected tacrine-like derivatives (III). — (LEON*, R.; GARCIA, A. G.; MARCO-CONTELLES, J.; J. Chem. Res. 2006, 8, 536-538; Lab. Radicales Libres, Inst. Quim. Org., E-28006 Madrid, Spain; Eng.) — H. Toeppel 01- 160

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Page 1: Unexpected Results in the Friedlaender Reaction of 4-Aryl-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H- [1]benzopyran-3-carbonitriles

2007

Oxazine derivativesR 0595 Unexpected Results in the Friedlaender Reaction of 4-Aryl-7,7-dimethyl-5-oxo-

-5,6,7,8-tetrahydro-4H-[1]benzopyran-3-carbonitriles. — Friedlaender reaction of title carbonitriles (I) with cyclohexanone affords the unexpected imidates (IV) in addi-tion to the expected tacrine-like derivatives (III). — (LEON*, R.; GARCIA, A. G.; MARCO-CONTELLES, J.; J. Chem. Res. 2006, 8, 536-538; Lab. Radicales Libres, Inst. Quim. Org., E-28006 Madrid, Spain; Eng.) — H. Toeppel

01- 160

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