Process for preparing furan compositions

Details Process for preparing furan compositions Process for preparing furan compositions

1990-02-27

1993-02-23

Shah, Mukund J.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

512 11, C07D30730

Patent

active

051891859

ABSTRACT:
A process for preparing furans of the formula (I) ##STR1## by reacting a furanone of the formula ##STR2## with an organic orthoacid or an orthosilicate in the presence of an acid catalyst at an elevated temperature.

REFERENCES:
Chemische Berichte 90:2137-2149 (1957); Korte et al.
Angewandte Chemie No. 23, 709-722 (1959) Korte et al.
Bull. Chem. Soc. Jpn., vol. 50, 1977, A. Takeda et al: "A new synthesis of pyrocin and related compounds", pp. 1133-1136.

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