Process for selectively producing para-substituted derivatives o

Details Process for selectively producing para-substituted derivatives o Process for selectively producing para-substituted derivatives o

1983-09-07

1985-06-11

Killos, Paul J.

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

Organic compounds

Oxygen containing

568433, 568377, 568657, 568813, C07C 5393

Patent

active

045230374

ABSTRACT:
By reacting, using as a catalyst a modified or unmodified cyclodextrin, a phenol compound with a haloform in the presence of an alkali metal hydroxide, while maintaining the molar ratio of the cyclodextrin to the haloform at 0.5 to 10, a substituent group derived from the haloform can be introduced to the para-position of the phenol compound with high selectivity, whereby useful para-substituted phenol derivatives can be advantageously obtained.

REFERENCES:
Ohara M. et al., Pharmazie, vol. 33, No. 7 (1978), p. 467.
Chemical Review, 60, 169 (1960).
J. Amer. Chem. Soc., 81, 6446 (1959).

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