6-Chloro-3-imino-2,3-dihydropyridazine-2-acetic acid synthesis

1synthesis methods

Product Name:6-Chloro-3-imino-2,3-dihydropyridazine-2-acetic acid
CAS Number:127566-18-1
Molecular formula:C6H6ClN3O2
Molecular Weight:187.58

5469-69-2 Synthesis

5469-69-2
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6-Chloro-3-imino-2,3-dihydropyridazine-2-acetic acid

127566-18-1
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Yield:127566-18-1 87%

Reaction Conditions:

Stage #1: bromoacetic acidwith N-ethyl-N,N-diisopropylamine in methanol;water at 5 - 7; for 3.5 h;
Stage #2: 6-chloro-pyridazin-3-ylamine in methanol;water at 50; for 12.5 - 16 h;Product distribution / selectivity;

References:

WO2007/26624,2007,A1 Location in patent:Page/Page column 7-8

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