Preparation process of acyl halide or sulfonyl halide

Details Preparation process of acyl halide or sulfonyl halide Preparation process of acyl halide or sulfonyl halide

1996-05-31

1998-05-12

Shah, Mukund J.

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

Organic compounds

Sulfur halides

562832, 562833, 562849, 562852, 562857, 562861, C07C 5160, C07C 5342

Patent

active

057507791

ABSTRACT:
A preparation process of acyl halide or sulfonyl halide which comprises reacting corresponding carboxylic acid or sulfonic acid with a haloiminium salt represented by the general formula (1): ##STR1## wherein R.sup.1 and R.sup.2 are same or different lower alkyl groups, X is a halogen atom, and n is an integer of 2 or 3.

REFERENCES:
patent: 3282924 (1966-11-01), Alt
patent: 5430186 (1995-07-01), Ksoll et al.
Chemical Abstracts, vol. 118, No. 23, Jun. 7, 1993, Columbus, OH, US; Abstract No. 233463y; T. Isobe et al; Halogenation of Primary Alcohols, p. 949, XP002014957 *abstract* & JP-A-04308538 (Shiratori Pharmaceutical Co., Ltd.) Oct. 30, 1992.
Kirk-Othmer, "Encyclopedia of Chemical Technology", 3rd Ed., vol. 17, 1982, John Wiley & Sons, New York, XP002015405, pp. 416-425.
Chemical Abstracts, vol. 118, No. 23, Jun. 7, 1993, Columbus, OH, US; Abstract No. 233484f, T. Isobe et al; "Manufacture of 3-Halo-2,3-unsaturated-ketones", p. 943, XP002014960 *abstract* & JP-A-04308547 (Shiratori Pharmaceutical Co., Ltd.) Oct. 30, 1992.
Chemical Abstracts, vol. 101, No. 15, Oct. 8, 1984, Columbus, OH, US; Abstract No. 130410y; Shiratoriseyaku: "Esterification of Alcohols and Carboxylic Acids", p. 683; XP002015385 *abstract* & JP-A-59039851 (Shiratori Pharmaceutical Co., Ltd.), Aug. 26, 1982.
Chemcial Abstracts, vol. 101, No. 17, Oct. 22, 1984, Columbus, OH, US; Abstract No. 151844h, Shiratori Seyyaku, "1,3-Dimethyl-2-Cloroimidazolium Chloride", p. 716; XP002015386 *abstract* &JP-A59025375 (Shiratori Pharmaceutical Co., Ltd.) Feb. 9, 1984).
Chem.Ber., vol. 112, 1979, Weinheim, pp. 1670-1679, XP002014419, W. Seufert et al: "Zur Halogenierung Von Enaminen-Darstellung Von Beta-Halogeniminium-Halogeniden",
Morrison et al., Organic Chemistry, Fourth Edition, pp. 485-486, 519, 797-801, 1983.

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