Journal of the American Chemical Society p. 7065 - 7069 (1985)
Update date:2022-09-26
Topics:
Zayas, Jose
Platz, Matthew S.
Photolysis of 0.1 M diphenyldiazomethane at 77 K or 137 K in solid (S)-(+)-2-butanol gives tertiary alcohol 9 along with other products.Compound 9 was isolated and found to be enantiomerically pure by chiral NMR shift reagents.Compound 9 is formed by reaction of triplet diphenylcarbene with (S)-(+)-2-butanol to give a radical pair which subsequently collapses.The solid-state matrix directs the radical pair collapse with complete retention of configuration.
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