Process for producing 1-bromo-4-phenylbutane

Details Process for producing 1-bromo-4-phenylbutane Process for producing 1-bromo-4-phenylbutane

1999-04-12

2000-03-14

Siegel, Alan

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

Organic compounds

Halogen containing

C07C 2200

Patent

active

060375094

ABSTRACT:
A process for producing 1-bromo-4-phenylbutane of the formula (1): ##STR1## which is characterized by the steps of; reacting 4-bromobutyryl halide of the formula (2): ##STR2## where X is a halogen atom, with benzene in the presence of a Lewis acid to give a 4-bromobutyrophenone of the formula (3): ##STR3## and reacting 4-bromobutyrophenone compound of the formula (3) with hydrogen in the presence of a metal catalyst.

REFERENCES:
patent: 4051190 (1977-09-01), Dunnigan
patent: 4432971 (1984-02-01), Karanewsky et al.
patent: 5637736 (1997-06-01), Fujishima et al.
Z. Niu et al., "Synthesis of 4-phenyl-1-butanol", Huaxue Shiji, vol. 17, No. 5, (1995), pp. 317 and 288, month not available.
L. R. Sousa et al., "Halopolycarbon Homologation", Journal of the American Chemical Society, vol. 96, No. 22, Oct. 1974, pp. 7101-7103.
S. H. Wilen et al., "35--Noncondensed Aromatic Compounds", Chemical Abstracts, vol. 58, (1963), 11242, month not available.

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