Convenient two-step syntheses of seselin and angelicin derivatives
作者:Raghao S. Mali、Nalini A. Pandhare、Milind D. Sindkhedkar
DOI:10.1016/0040-4039(95)01410-j
日期:1995.9
Convenient two-step approaches are described for the syntheses of seselin (3a), seselin and angelicin derivatives (3b–d and 5a–d) from 2,4-dihydroxybenzaldehyde (1a) and 2,4-dihydroxyacetophenone (1b) using tandem Claisen rearrangement and Wittig reaction.
Synthesis of (±)-phaseollin; a protective sequence for chromen double bonds
作者:Phillip Thomas、Donald A. Whiting
DOI:10.1016/s0040-4039(01)80112-x
日期:1984.1
USEFUL SYNTHESES OF PRENYLATED- AND PYRANO-3-ARYLCOUMARINS
作者:Raghao S. Mali、Priya P. Joshi
DOI:10.1081/scc-100105321
日期:2001.1
Convenient syntheses of 6-prenyl- and 8-isoprenyl-3-aryl-coumarins (7a-d and 8c-d) from 2-prenyloxy-4-methoxybenzaldehydes (5a and 5b) and of pyrano-3-arylcoumarins (10a-b) from 2-hydroxy-4-(1,1-dimethylpropynyloxy) benzaldehyde (9) using Wittig reaction are described.