Process for the synthesis of derivatives of the benzofuran, chro

Details Process for the synthesis of derivatives of the benzofuran, chro Process for the synthesis of derivatives of the benzofuran, chro

1978-08-31

1980-10-28

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26034622, 26034671, 568 11, 568 14, C07D31102, C07D30779

Patent

active

042306248

ABSTRACT:
The invention relates to a process for the production of therapeutic compounds of the benzofuran, chromene and isochromene type of the general formula; ##STR1## in which formula, ##STR2## R.sub.1 and R.sub.3 =H, lower alkyl, aralkyl or cycloalkyl R.sub.2 =H or an organic radical
and when

REFERENCES:
Bieber et al., J. of Organic Chem., vol. 27 (1962), pp. 678-679.

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