C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
71/7.4, 260/245.
C07D 253/06 (2006.01) A01N 43/707 (2006.01) C07D 253/075 (2006.01) C07D 409/04 (2006.01)
Patent
CA 1229601
Process for the preparation of 4,6-disubstituted-3-amino-1,2,4- triazin-4H-5-ones, novel 4,6-disubstituted-3-amino-1,2,4-triazin- 4H-5-ones and a method of controlling undesired plant growth Abstract of the Disclosure The invention relates to a process for the preparation of aminotriazinone derivatives of the formula I Image (I), wherein R1 and R2 are each independently C1-C8-alkyl, C3-C8-cycloalkyl, Aryl-C1-C4-alkyl or aryl, and R3 and R4 are each independently hydrogen, C1-C8-alkyl or C3-C8- cycloalkyl, or together with the nitrogen atom to which they are attached are a piperidine or morpholine ring, which process com- prises phosgenating a compound of formula II Image (II), wherein R1 and R2 are as defined above, and reacting the resultant compound of formula III - 2 - Image ? HCl (III), wherein R1 and R2 are as defined above, without isolation or after isolation, with a compound of formula IV Image (IV), wherein R3 and R4 are as defined above. The invention also relates to the novel compounds of formula I and to the use thereof for controlling undesirable plant growth.
484411
Fetherstonhaugh & Co.
Syngenta Participations Ag
LandOfFree
Process for the preparation of 4,6-disubstituted-3-... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the preparation of 4,6-disubstituted-3-..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of 4,6-disubstituted-3-... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1176858