Process for the preparation of 2,3-dihydro-5,6-diphenyl-1,4-oxat

Details Process for the preparation of 2,3-dihydro-5,6-diphenyl-1,4-oxat Process for the preparation of 2,3-dihydro-5,6-diphenyl-1,4-oxat

1980-06-09

1981-04-21

Randolph, John D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D32706

Patent

active

042634423

ABSTRACT:
2,3-Dihydro-5,6-diphenyl-1,4-oxathiin is prepared by reacting benzoin and 2-mercaptoethanol in an alkanol solvent of 2 to 8 carbon atoms and an acidic catalyst. The use of alcohol solvent in lieu of aromatic solvents gives much greater purity with much better yields.

REFERENCES:
Marshall et al., J. Chem. Soc., 1959, pp. 2360 to 2363.
Marshall et al., Chem. Abstracts, vol. 54, cols. 2341-2342, (1960).

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