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Paper | Special issue | Vol 40, No. 1, 1995, pp.159-173
Published online, 1st January, 1970
DOI: 10.3987/COM-94-S5
Syntheses of New Heterocycles Starting from Dicyanoacetates

Richard Neidlein and Peter Meffert

*Pharmazeutisch-Chemishces Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 364, D-69120 Heidelberg, Germany


The reactions of 4-chloro-2-dialkylamino-6-oxo-6H-1,3-oxazine-5-carbonitriles (3) with C-, N- and S-nucleophiles are reported. The chloro atom can also be substituted in a Michaelis-Arbuzov reaction giving the corresponding 1,3-oxazinyl phosphinates and phosphinoxides.