154712-47-7Relevant articles and documents
Synthesis method of foramsulfuron intermediate
-
Paragraph 0045-0048, (2021/01/04)
The invention discloses a synthesis method of a foramsulfuron intermediate, which comprises the following steps of: carrying out one-pot chlorination, alcoholysis and ammonolysis cyclization on 2-sulfo-4-nitrobenzoic acid used as a starting raw material t
Intermediates for the preparation of phenylsulfonylurea herbicides and plant growth regulators
-
, (2008/06/13)
The compounds of the formula (I) STR1 in which R1 -R4, W, X, Y and Z are as defined in claim 1 are suitable for controlling harmful plants in crops. Their preparation may employ the intermediates of the formulae II and III: STR2