Dimethyl 4-Hydroxypyrazole-3,5-dicarboxylate synthesis
- Product Name:Dimethyl 4-Hydroxypyrazole-3,5-dicarboxylate
- CAS Number:23705-85-3
- Molecular formula:C7H8N2O5
- Molecular Weight:200.15
Yield:23705-85-3 88%
Reaction Conditions:
Stage #1: malonic acid dimethyl esterwith methanol;sodium at 0; for 0.0833333 h;Inert atmosphere;
Stage #2: dimethyl diazomalonate at 0 - 60; for 3 h;Inert atmosphere;
References:
Ren, Daan;Wang, Shao-An;Ko, Yeonjin;Geng, Yujie;Ogasawara, Yasushi;Liu, Hung-wen [Angewandte Chemie - International Edition,2019,vol. 58,# 46,p. 16512 - 16516][Angew. Chem.,2019,vol. 131,# 46,p. 16664 - 16668,5] Location in patent:supporting information
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