7-Tert.-butyl-5-(4-chloro-phenyl)-3-iodo-pyrazolo[1,5-a]pyrimidine → 5-[7-tert.-Butyl-5-(4-chloro-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid amide

HRID 1294032Notes

Reaction equation

HRID 1294032 reaction equation
[C:1]([C:5]1[N:10]2[N:11]=[CH:12][C:13](I)=[C:9]2[N:8]=[C:7]([C:15]2[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][CH:16]=2)[CH:6]=1)([CH3:4])([CH3:3])[CH3:2].[C:22]([C:24]1[S:28][C:27]([S:29]([NH2:32])(=[O:31])=[O:30])=[CH:26][CH:25]=1)#[CH:23]>>[C:1]([C:5]1[N:10]2[N:11]=[CH:12][C:13]([C:23]#[C:22][C:24]3[S:28][C:27]([S:29]([NH2:32])(=[O:31])=[O:30])=[CH:26][CH:25]=3)=[C:9]2[N:8]=[C:7]([C:15]2[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][CH:16]=2)[CH:6]=1)([CH3:4])([CH3:3])[CH3:2]

Participants

3

Reactant 2

HCID 670002247-Tert.-butyl-5-(4-chloro-phenyl)-3-iodo-pyrazolo[1,5-a]pyrimidineHCID 860437955-Ethynylthiophene-2-sulfonamide

Product 1

HCID 670010355-[7-tert.-Butyl-5-(4-chloro-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid amide

Procedure

The title compound was prepared from 7-tert.-butyl-5-(4-chloro-phenyl)-3-iodo-pyrazolo[1,5-a]pyrimidine (70 mg, 0.17 mmol) and 5-ethynyl-thiophene-2-sulfonamide (example D.3) (32 mg, 0.17 mmol) according to general procedure II. Obtained as a yellow solid (28 mg, 28%). MS (ISP) 471.1 [(M+H)+]; mp 253–255° C.

Sources & evidence

ORD record
ord-40976422083f407abdb1e4ed17cd888d
Source dataset
uspto-grants-2007_07
Patent number
US07238808B2

Reaction notes

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