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ChemicalBook CAS DataBase List 4,5,6,7-TETRAHYDRO-1H-INDAZOLE-3-CARBOXYLIC ACID ETHYL ESTER
4492-02-8

4,5,6,7-TETRAHYDRO-1H-INDAZOLE-3-CARBOXYLIC ACID ETHYL ESTER synthesis

7synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1: 1) n-BuLi / 1) ether, THF, -110 deg C, 2) -110 to -25 deg C
2: 80 percent / POCl3, pyridine / 1) 0 deg C, 6 h, 2) r.t., 12 h
3: 65 percent / octane / 1 h / 110 °C

References:

Padwa, Albert;Kulkarni, Yashwant S.;Zhang, Zhijia [Journal of Organic Chemistry,1990,vol. 55,# 13,p. 4144 - 4153]

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