SCHEDULED MAINTENANCE
The photolysis of 4-methyl-3-(2-hydroxyphenyl)chrom-3-enes(1) in methanol at 300 nm affords 4b,9b-dihydro-4b, 9b-dimethylbenzofuro[3, 2-b]benzofurans (2), in good yield and the reaction rate is accelerated by sodium methoxide.
S. Ramakanth, U. Rao, K. Narayanan and K. K. Balasubramanian, J. Chem. Soc., Chem. Commun., 1983, 842 DOI: 10.1039/C39830000842
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