Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1992-10-02
1993-07-20
Dentz, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D30779
Patent
active
052295303
ABSTRACT:
A process for the preparation of a 2,3-dihydrobenzofuran I ##STR1## or a derivative thereof, where R.sup.a and R.sup.b are C-organic radicals, involves reacting a 2-hydroxybenzyl alcohol II ##STR2## in the presence of an acidic ion exchanger resin and in the presence of an inert dehydrating substance. Novel 2,3-dihydrobenzofurans Ia, 2-acylphenols IVa and 2-hydrox-ybenzyl alcohols IIa, a process for their preparation, and their use as intermediates are also described.
REFERENCES:
patent: 3821256 (1974-06-01), Vollrath et al.
Arduini et al., Synthesis, pp. 950-953 (1984).
Harreus Albrecht
Wild Jochen
Wolf Bernd
BASF - Aktiengesellschaft
Dentz Bernard
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