C - Chemistry – Metallurgy – 07 – B
Patent
C - Chemistry, Metallurgy
07
B
C07B 43/02 (2006.01) C07C 209/76 (2006.01) C07C 211/27 (2006.01) C07C 211/46 (2006.01) C07C 211/48 (2006.01) C07D 233/20 (2006.01) C07D 233/54 (2006.01) C07D 295/08 (2006.01)
Patent
CA 2649784
A method of nitrating a compound selected from the group consisting of Formulas (AA) (BB) (CC) (DD) wherein Ar is a nitratable aromatic ring, R1, R2, R3, and R4 are hydrogen, alkyl or an aromatic groups, G is selected from the group consisting of CR1R2, O, S, SO and SO2, R is a heterocyclic ring or other groups bearing a basic nitrogen atom 10 and n is an an integer of 1 to 12 is provided.
L'invention concerne un procédé de nitration d'un composé choisi parmi le groupe comprenant les formules (AA) (BB) (CC) (DD), dans lesquelles Ar est un anneau aromatique pouvant être nitraté, R1, R2, R3, et R4 représentent l'hydrogène, un groupe alkyle ou un groupe aromatique, G est choisi parmi le groupe comprenant CR1R2, O, S, SO et SO2, R est un anneau hétérocyclique ou d'autres groupes portant un atome d'azote basique et n est un nombre entier compris entre 1 et 12.
Cedilote Miall
Cleary Thomas P.
Zhang Pingsheng
F. Hoffmann-La Roche Ag
Gowling Lafleur Henderson Llp
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