Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1997-02-27
1997-12-02
Richter, Johann
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549469, C07D30779
Patent
active
056938314
ABSTRACT:
The novel compound (2,3-dihydro-5-benzofuranyl)-acetonitrile is prepared by chloromethylating 2,3-dihydro-benzofuran and reacting the resulting 2,3-dihydro-5-chloromethyl-benzofuran with a cyanide. (2,3-Dihydro-5-benzofuranyl)-acetonitrile can be converted by saponification to (2,3-dihydro-5-benzofuranyl)-acetic acid, an important intermediate for the manufacture of various pharmaceutical active substances. This intermediate has hitherto been obtainable only by a laborious procedure and in low yields.
REFERENCES:
"Antiinflammatory Activity of Some 2,3-Dihydrobenzofuran-5-Acetic Acids and Related Compounds," Hirose et al., J. Med. Chem., 1976, vol. 19, No. 2, pp. 303-308.
Muller Nikolaus
Steffan Guido
Bayer Aktiengesellschaft
Oswecki Jane C.
Richter Johann
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