1-(5-Chloro-thiophene-2-sulfonyl)-4-methyl-piperazine hydrochloride → 3-[5-(4-Methyl-piperazine-1-sulfonyl)-thiophen-2-ylethynyl]-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine

HRID 1293896Notes

Reaction equation

HRID 1293896 reaction equation
[C:1]([C:3]1[CH:4]=[N:5][N:6]2[C:11]([C:12]([F:15])([F:14])[F:13])=[CH:10][C:9]([C:16]3[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=3)=[N:8][C:7]=12)#[CH:2].Cl.Cl[C:28]1[S:32][C:31]([S:33]([N:36]2[CH2:41][CH2:40][N:39]([CH3:42])[CH2:38][CH2:37]2)(=[O:35])=[O:34])=[CH:30][CH:29]=1>>[CH3:42][N:39]1[CH2:38][CH2:37][N:36]([S:33]([C:31]2[S:32][C:28]([C:2]#[C:1][C:3]3[CH:4]=[N:5][N:6]4[C:11]([C:12]([F:14])([F:13])[F:15])=[CH:10][C:9]([C:16]5[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=5)=[N:8][C:7]=34)=[CH:29][CH:30]=2)(=[O:35])=[O:34])[CH2:41][CH2:40]1

Participants

3

Reactant 2

HCID 670008541-(5-Chloro-thiophene-2-sulfonyl)-4-methyl-piperazine hydrochlorideHCID 715397323-Ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine

Product 1

HCID 118525163-[5-(4-Methyl-piperazine-1-sulfonyl)-thiophen-2-ylethynyl]-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine

Procedure

The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (178 mg, 0.5 mmol) and 1-(5-chloro-thiophene-2-sulfonyl)-4-methyl-piperazine hydrochloride (example B.41) (159 mg, 0.5 mmol) according to general procedure II. Obtained as an orange solid (48 mg, 16%). MS (ISP) 600.2 [(M+H)+]; mp 250° C.

Sources & evidence

ORD record
ord-47eb30cc296848859c7b87dbd4cac2a2
Source dataset
uspto-grants-2007_07
Patent number
US07238808B2

Reaction notes

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