5-Chloro-1-ethyl-4-nitro-1H-pyrazole → (S)-N-(1-(1-ethyl-4-nitro-1H-pyrazol-5-yl)azepan-4-yl)-2,2,2-trifluoroacetamide

HRID 1185268Notes

Reaction equation

HRID 1185268 reaction equation
Cl[C:2]1[N:6]([CH2:7][CH3:8])[N:5]=[CH:4][C:3]=1[N+:9]([O-:11])=[O:10].[F:12][C:13]([F:25])([F:24])[C:14]([NH:16][C@H:17]1[CH2:23][CH2:22][CH2:21][NH:20][CH2:19][CH2:18]1)=[O:15]>>[CH2:7]([N:6]1[C:2]([N:20]2[CH2:21][CH2:22][CH2:23][C@H:17]([NH:16][C:14](=[O:15])[C:13]([F:24])([F:12])[F:25])[CH2:18][CH2:19]2)=[C:3]([N+:9]([O-:11])=[O:10])[CH:4]=[N:5]1)[CH3:8]

Participants

3

Reactant 2

HCID 584650475-Chloro-1-ethyl-4-nitro-1H-pyrazoleHCID 86658413(S)-N-(azepan-4-yl)-2,2,2-trifluoroacetamide

Product 1

HCID 86658412(S)-N-(1-(1-ethyl-4-nitro-1H-pyrazol-5-yl)azepan-4-yl)-2,2,2-trifluoroacetamideYield 44%

Procedure

Following the procedure for Example 503 starting with 5-chloro-1-ethyl-4-nitro-1H-pyrazole and (S)-2,2,2-trifluoro-N-(hexahydro-1H-azepin-4-yl)-acetamide gave (S)—N-(1-(1-ethyl-4-nitro-1H-pyrazol-5-yl)azepan-4-yl)-2,2,2-trifluoroacetamide as a pale yellow gum (0.12 g, 44%). 1H-NMR (400 MHz, CDCl3) δ 8.07 (s, 1H), 6.42-6.40 (m, 1H), 4.22-4.18 (m, 1H), 4.12 (q, J=7 Hz, 2H), 3.42-3.35 (m, 1H), 3.27-3.18 (m, 3H), 2.25-2.05 (m, 2H), 2.00-1.75 (m, 4H), 1.47 (t, J=7 Hz, 3H).

Sources & evidence

ORD record
ord-ae14ad097b064cdca63742b3f6840138
Source dataset
uspto-grants-2014_03
Patent number
US08669361B2

Reaction notes

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