Monatshefte fur Chemie p. 557 - 564 (1992)
Update date:2022-07-31
Topics: Synthesis Regioselectivity Yield NMR spectroscopy Derivatives Stereochemistry Recrystallization Kinetics TLC (thin-layer chromatography) HPLC (high-performance liquid chromatography) Isomerization Reaction Mechanism Claisen Rearrangement Substituent Effects Spectroscopic Characterization Thermal reaction Sigmatropic rearrangement
Joshi, Shubhangi C.
Trivedi, Kunjbihari N.
The Claisen rearrangement of 7-(3-phenyl-2-propenyloxy)-3-phenyl-(4H)-1-benzopyran-4-one (2a) gave 7-hydroxy-8-(1-phenyl-2-propenyl)-3-phenyl-(4H)-1-benzopyran-4-one (3a) and 2,3-dihydro-2,6-diphenyl-3-methyl-(7H)furo<2,3-h>-benzopyran-7-one (7a). 2-Methy
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