Preparation of sulphonylisothioureas

Details Preparation of sulphonylisothioureas Preparation of sulphonylisothioureas

1990-06-06

1992-02-04

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25142, C07D25146

Patent

active

050861743

ABSTRACT:
Disclosed is a process for the preparation of a sulphonylisothiourea of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, X, Y and Z are as defined herein, which comprises reacting a sulphonic acid amide of the formula

REFERENCES:
patent: 4559079 (1985-12-01), Shiokawa et al.
patent: 4980469 (1990-12-01), Riebel et al.
Tachibana et al., Chemical Abstracts, vol. 84 entry 55308w (1976).
Chemical & Pharmaceutical Bulletin, vol. 27, No. 12, Dec. 1979.
Chemical Abstracts, vol. 84, 1976, 5530B, p. 172.
Chemical Abstracts, vol. 90, 1979, 22899; p. 639.

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