Phosphorw, Sulfur, and Silicon, 1995, Vol. 104, pp. 15-20 Reprints available directly from the publisher Photocopying permitted by license only ... 0 1995 OPA (Overseas Publishers Association) Amsterdam BV Published under license by Gordon and Breach Science Publishers SA Printed in Malaysia ... FACILE SYNTHESIS OF 4-SUBSTITUTED 2-PYRAZOLIN-5-ONES UNDER PHASE TRANSFER CATALYSIS ... SAYED A. SHIBA, NAGWA MS HARB, ...