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2-[(2,4-DICHLORO-PHENYL)-HYDRAZONO]-PROPIONIC ACID synthesis
2synthesis methods
- Product Name:2-[(2,4-DICHLORO-PHENYL)-HYDRAZONO]-PROPIONIC ACID
- CAS Number:103998-84-1
- Molecular formula:C9H8Cl2N2O2
- Molecular Weight:247.08
Yield:103998-84-1 89%
Reaction Conditions:
Stage #1: 2,4-Dichloroanilinewith sodium nitrite in hydrogenchloride;water at -9; for 1.5 h;Inert atmosphere;liquid HCl;
Stage #2: with tin(ll) chloride in hydrogenchloride;water at -9 - 20;liquid HCl;
Stage #3: 2-oxo-propionic acid in hydrogenchloride;water at 20; for 0.5 h;liquid HCl;
References:
Wu, Qiongyou;Wang, Guodong;Huang, Shaowei;Lin, Long;Yang, Guangfu [Molecules,2010,vol. 15,# 12,p. 9024 - 9034] Location in patent:experimental part