Penylcarbamic acid chlorides and their preparation

Details Penylcarbamic acid chlorides and their preparation Penylcarbamic acid chlorides and their preparation

1980-02-12

1982-05-04

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260455A, 260453P, 260465D, 560 30, 560 31, 560 29, 564 53, C07C 8310, C07C15502, C07C12506, C07C12152

Patent

active

043281656

ABSTRACT:
Novel phenylcarbamic acid chlorides, and their preparation by reacting N-mono-substituted phenylenediamines with excess phosgene and then reacting the products with thioalcohols, alcohols, hydroxylamines or amines.
The novel phenylcarbamic acid chlorides of the formula I obtainable by the process of the invention are valuable intermediates for the preparation of crop protection agents, especially herbicides.

REFERENCES:
patent: 2983747 (1961-05-01), Campbell et al.
patent: 3867426 (1975-02-01), Olin et al.
patent: 3884951 (1975-05-01), Oswald
patent: 4013450 (1977-03-01), Olin et al.
Noller, Textbook of Organic Chemistry, 2nd Edition, W. B. Saunders Co., Philadelphia, 1958.
Houben-Weyl, Methoden der Organischen Chemie, vol. 8 (1952), pp. 115-124.
Chem. Berichte, 19 (1886), pp. 546-551.
Reid, Organic Chemistry of Bivalent Sulfur, Chemical Publishing Co., Inc., N. Y., 1958, p. 108.

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