HCID 53887742, compound → 3-Amino-4-chloroindazole

HRID 2072402Notes

Reaction equation

HRID 2072402 reaction equation
C(OC([N:6]1[C:14]([NH2:15])=[C:13]2[C:8]([CH:9]=[CH:10][CH:11]=[C:12]2[Cl:16])=[N:7]1)=O)C>C(OC(OC(OCC)=O)=O)C>[NH2:15][C:14]1[C:13]2[C:8](=[CH:9][CH:10]=[CH:11][C:12]=2[Cl:16])[NH:7][N:6]=1

Participants

3

Reactant 1

HCID 53887742HCID 53887742, compound

Product 1

HCID 3134443-Amino-4-chloroindazole

Reagents, catalysts & solvents 1

HCID 3051Diethyl PyrocarbonateSolvent

Procedure

Analogously to Example 1, 0.2 mol of 3-amino-4-chloroindazole in 100 ml of pyrocarbonic acid diethyl ester gives 3-amino-4-chloroindazole-2-carboxylic acid ethyl ester (melting point: 109°-111° C; 63% of theory) in 3 hours at 20°-30° C.

Sources & evidence

ORD record
ord-4bfef3b3d31a4d5592e8224df3caf8a3
Source dataset
uspto-grants-1977_09
Patent number
US04051252

Reaction notes

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