... Download full text in PDF. Tetrahedron Vol 39 No 15 pp 2577 to 2589 1983 Pnnted in Great Britain 0040 ... After concentration to ca 1/3 volume, 250ml 3N KOH was added and the mixture concentrated to ... pale yellow soln was stirred for 15 min and 8.9 g (30 mmol) of 39 was added ...