... (Found: C, 72-41; H, 8-20; N, 2-43. C,o60iiN, requires: ?, 72-14; H, 8-20; N, 2-19%). Acknowledgementne of the authors (TVP) thanks the Council of Scientific and Industrial Research (India) for a maintenance grant. References. 1. Ch. ... J. Org. Chem. (1961), p. 4529. 2. Ch.B. Rao, V. Venkateswarlu, Ch.B. Rao, V. Venkateswarlu. Tetrahedron, 18 (1962), p. 361 Tetrahedron, 18 (1962), p. 951. 3. R. Kaul, AC Ray, S. Dutt. J. Indian. ...