Synthetic experiments in the benzopyrone series - Part LXVII. Synthesis of α-methyl dihydrofurano-chromeno-chromone
P S Sarin J M Sehgal T R Seshadri
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Starting from 7-hydroxy chromeno-chromone, the 8-allyl derivative has been prepared as intermediate and the α-methyl furan ring closed by means of hydrogen bromide and pyridine, yielding the five-ring structure of α-methyl dihydro-furano-chromeno-chromone.
P S Sarin1 J M Sehgal1 T R Seshadri1
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