3660 J . Org. Chem. Vol. 39, No. 25, 1974
Niedballa and Vorbruggen
(12) F. v. Arlt, Monatsh. Chem., 22, 144 (1901); L. J. Haynes and F. H. Newth, Advan. Carbohyd. Chern., 10, 207 (1955). (13) B. R. Baker, R. E. Schaub, and H. M. Kissman, J. Arner. Chern. Soc., 77, 5911 (1955). (14) Y. Furakawa and M. Honjo, Chem. Pharm. Bull. (Tokyo), 16, 1076 (1968). '(15) H. Vorbruggen and U. Niedballa, Angew. Chern., int. Ed. EngL, IO, 657 (1971); H. Vorbruggen, K. Krolikiewicz, and U. Niedballa, submitted for Dublication in Justus Liebios Ann. Cbem (16) [a) M. Muraoka, A. Taka