References |
Ugi, I., Fetzer, U., Eholzer, U., (1965) Angew. Chem., 77 (11), pp. 492-504; Barton, D., Ozbalik, N., Vacher, V., (1988) Tetrahedron, 44 (12), pp. 3501-3522; Hashida, Y., Imai, A., Sakiguchi, S., (1989) J. Heterocycl. Chem., 26 (11), pp. 901-905; De Laszlo, S., Williard, P., (1985) J. Am. Chem. Soc., 107 (1), pp. 199-203; Grundmann, C., (1958) Chem. Ber., 91, pp. 1380-1382; Weber, W., Gokel, G., Ugi, I., (1972) Angew. Chem., 84 (12), pp. 587-592; Basu, U., Das-Gupta, S., (1941) J. Indian Chem. Soc., 18 (2), pp. 167-168; Ban, S., (1954) J. Pharm. Soc. Jpn., 74 (5), pp. 695-697; Walborsky, H., Niznik, G., (1972) J. Org. Chem., 37, pp. 187-191; Heldt, W., (1962) J. Org. Chem., 27, pp. 2602-2608; Brederek, H., (1964) Chem. Ber., 97 (1), pp. 61-70. , US Patent no. 3073851, 1963; (1963) Chem. Abstr., 59, pp. 1662b; Polanc, S., Vercek, B., Sek, B., (1974) J. Org. Chem., 39 (15), pp. 2143-2147; Ainswort, C., (1956) J. Am. Chem. Soc., 78 (9), pp. 1973-1975; (1971) Ref. Zh., Khim., , US Patent no. 3567382, 1970, no. 24G334 |