Hexamethylphosphoramide suppl

D icy clohexy 1-18-cr own-6 poly ether and geranyl bromide added to K-chromate in anhydrous hexamethylphosphoramide, stirred and heated 2 hrs. at 100° ge-ranial. Y 82%. F. e. s. G. Cardillo, M. Orena, and S. Sandri, Chem. Commun. 1976, 190 with chromic acid on anion exchanger (cf. Synth. Meth. 26, 235 suppl. 32), also ketones, s. G. Cardillo, M. Orena, and S. Sandri, Tetrah. Let. 1976, 3985. 

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