2005
Benzopyran derivatives
R 0350
Phase Transfer Catalyst Mediated One-Pot Synthesis of 4-Hydroxy-3-phenylcou— Reaction times are reduced due to the phase-tranfer catalyst. Compounds
36- 119 marin.
(IIIc) and (IIId) are only accessible in the presence of a phase-transfer catalyst (no
yields given). — (SRIPATHI*, S. K.; SIVAKAMASUNDARI, S.; J. Indian Chem.
Soc. 81 (2004) 9, 789-790; Dep. Chem., Avinashilingam Univ., Coimbatore 641 043,
Tamil Nadu, India; Eng.) — C. Oppel