27078-75-7

Upstream product

• 124-41-4 sodium methylate 
• 696-82-2 2,4,6-trifluoropyrimidine 

Relevant academic research and scientific papers

Herbicidal sulfonylureas

Substituted sulfonylureas of the formula I STR1 wherein, inter alia, n and m are each 0 or 1; X is O, S or N--R4, where R4 is hydrogen or alkyl; A is NO2, NH2, OH, CN, SCN, S(O)o R5, SOsub

Herbicidal sulfonylureas

Substituted sulfonylureas of the general formula I STR1 where n and m are each 0 or 1, and R1 is hydrogen, alkyl, alkenyl or alkynyl; R2 is halogen or trifluoromethyl when m is 0, or, when m is 1, alkyl, alkenyl or alkynyl and, when X is 0 or S and m is 1, is trifluoromethyl or chlorodifluoromethyl; X is 0, S or N--R4, where R4 is hydrogen or alkyl; R3 is hydrogen, halogen, alkyl, haloalkyl or alkoxy; A is haloalkyl, halogen or STR2 where Z is oxygen or alkylimino N--R6 ; R5 is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, alkenyl or alkynyl; R6 is hydrogen, alkyl, or together with R5 is a C4 -C6 -alkylene chain, where one methylene may be replaced by an oxygen atom or a C1 -C4 -alkylimino group, and R7 is hydrogen or halogen, and environmentally tolerated salts thereof, processes and intermediates for the manufacture of compounds I, and their use as herbicides and bioregulators.

2-amino(fluoroalkoxy)pyrimidines and the preparation thereof

2-Amino-(fluoroalkoxy)pyrimidines of the formula I STR1 where R1 is hydrogen, alkyl, alkenyl or alkynyl, R2 is hydrogen, halogen or haloalkyl, or else trifluoromethoxy or chlorodifluoromethoxy, R3 is hydrogen, halogen or C1 -C4 -haloalkyl and n is 0 or 1, are prepared as described.

Trifluoro- and chlorodifluoromethoxypyrimidines and the preparation thereof

Substituted trifluoro- and chlorodifluoromethoxypyrimidines of the formula I STR1 where R1, R2 and R3 are each, independently of one another, hydrogen, halogen or haloalkyl, and R1 and/or R2 are also trifluoromethoxy or chlorodifluoromethoxy, and n is 0 or 1, are prepared as described.

Preparation of 2-amino-4-fluoropyrimidine derivatives

A process for the preparation of 2-amino-4-fluoropyrimidine derivatives of the general formula I STR1 (R1 hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or benzyl, it being possible for the aromatic rings to be substituted, and R2/

MECHANISMS FOR REACTIONS OF HALOGENATED COMPOUNDS. PART 6. INVESTIGATIONS INTO THE ACTIVATING EFFECT OF ORTHO-FLUORINE IN NUCLEOPHILIC AROMATIC SUBSTITUTION

Separate activating effects for ortho- and meta- fluorine, on nucleophilic aromatic substitution, are determinated for pyrimidine and pyridine systems.Comparisons confirm the importance of ion-dipole interactions for activation by ortho-fluorine.The effects of ortho-fluorine on anionic ?-complexes are also discussed.