Methylenedioxybenzene -- improved method of preparation

Details Methylenedioxybenzene -- improved method of preparation Methylenedioxybenzene -- improved method of preparation

1974-07-11

1978-04-04

Raymond, Richard L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D31750

Patent

active

040827747

ABSTRACT:
Methylenation of catechol by reaction with a methylene dihalide under alkaline conditions is improved by adding the pre-formed catechol dianion in a heated protic alkaline medium to a solution of methylene dihalide in dimethyl sulfoxide.

REFERENCES:
patent: 3436403 (1969-04-01), Cornforth

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