Process for the preparation of halo-2-mercaptobenzoxazoles

Details Process for the preparation of halo-2-mercaptobenzoxazoles Process for the preparation of halo-2-mercaptobenzoxazoles

1982-05-28

1984-04-10

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D26358

Patent

active

044422946

ABSTRACT:
Preparation of 5- and 6-halo-2-mercaptobenzoxazoles or the sodium and potassium salts thereof by reaction of corresponding 4- or 5-halo-2-aminophenols with sodium or potassium lower alkyl xanthates in heterogeneous phase.

REFERENCES:
patent: 4130413 (1978-12-01), Handte et al.
Katz et al. (I), Journal of Org. Chem. 19, 758-766 (1954), "Benzoxazole Derivatives, I2-Mercaptobenzoxazoles".
Kirk-Othmer, "Encyclopedia of Chemical Technology", vol. 22, 419-429, (1970), John Wiley & Sons, Inc.
Kalckhoff, F. A., Chem. Ber. 16, 1825-1833, (1883).
Deck, J. F. et al., J.A.C.S., 55, 4989-4991, (1933), "Synthesis of Heterocyclic Compounds by Means of Isotheourea Ethers".
Katz & Cohen (II), Jr. of Org. Chem. 19, (1954), 767-772, Benzoxazole Der. II, 2-Dialkylamino Alkylmercaptobenzoxazole".
Zenner et al., Chem. Ber., 89, (1956), 1012-1016.
Nagano et al., J.A.C.S., 75, 2770-2771, (1952), "Preparation of Certain Derivatives of Benzoxazoles".
Desai et al., J.C.S., (1934), 1186-1190, "The Unsaturation and Tautomeric Mobility of Heterocyclic Comps., Part V Benzoxazoles".

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