C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/538.2, 260/4
C07C 143/00 (1980.01)
Patent
CA 1139776
ABSTRACT Compounds, useful as intermediates in the preparation of herbicidal benzenesulfonamides are disclosed, having the following formula: Image wherein R in CF3, CHF2, CH2CF3 or CF2HFG where G is F, Cl or Br; A is O or S(O)n where n is 0, 1 or 2 R1 is H, F, Cl, Br or CH3; and L is Cl, NH2, -NCO or -NCS
382436
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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