tert-Butylhydrazine monohydrochloride → 1-tert-butyl-3-(4-nitrophenyl)-1H-pyrazole

HRID 1180892Notes

Reaction equation

HRID 1180892 reaction equation
C[C:2]([CH:5]([N:9]1[CH:13]=[C:12](B2OC(C)(C)C(C)(C)O2)[C:11]([C:23]2[CH:28]=[CH:27][C:26]([N+:29]([O-:31])=[O:30])=[CH:25][CH:24]=2)=[N:10]1)[C:6]([O-])=O)(C)C.Cl.[C:33](NN)(C)(C)C>>[CH3:33][C:5]([N:9]1[CH:13]=[CH:12][C:11]([C:23]2[CH:24]=[CH:25][C:26]([N+:29]([O-:31])=[O:30])=[CH:27][CH:28]=2)=[N:10]1)([CH3:2])[CH3:6]

Participants

3

Reactant 2

HCID 81889tert-Butylhydrazine monohydrochlorideHCID 69001014HCID 69001014, compound

Product 1

HCID 534855281-tert-butyl-3-(4-nitrophenyl)-1H-pyrazole

Procedure

Following the procedure described for Intermediate 1 with t-butylhydrazine hydrochloride, provided the title compound as the minor isomer. ESMS (M−C(CH3)3+2H): 190.0; HNMR (400 MHz, d6-DMSO)8.20 (d, 2H), 7.86 (d, 2H), 7.7(d, 1H), 6.55(d, 1H), 1.25 (s, 9H)

Sources & evidence

ORD record
ord-ae0323dd21a246e9abe16cce46e56390
Source dataset
uspto-grants-2007_10
Patent number
US07282588B2

Reaction notes

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