Sodium Carbonate → 4,5-Dihydro-6-methyl-4[[4-(phenylmethyl)-1-piperazinyl]acetyl]-7-[3-(trifluoromethyl)phenyl]pyrazolo[1,5-a]pyrimidine-3-carbonitrile, dihydrochloride

HRID 893644Notes

Reaction equation

HRID 893644 reaction equation
[Cl:1][CH2:2][C:3]([N:5]1[CH2:10][C:9]([CH3:11])=[C:8]([C:12]2[CH:17]=[CH:16][CH:15]=[C:14]([C:18]([F:21])([F:20])[F:19])[CH:13]=2)[N:7]2[N:22]=[CH:23][C:24]([C:25]#[N:26])=[C:6]12)=[O:4].C(=O)([O-])[O-].[Na+].[Na+].[CH2:33]([N:40]1[CH2:45][CH2:44][NH:43][CH2:42][CH2:41]1)[C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1.C1(N)C(F)=C(F)C(F)=C(N)C=1F.[ClH:58].Cl>C1(C)C=CC=CC=1>[ClH:1].[ClH:58].[CH3:11][C:9]1[CH2:10][N:5]([C:3](=[O:4])[CH2:2][N:43]2[CH2:44][CH2:45][N:40]([CH2:33][C:34]3[CH:35]=[CH:36][CH:37]=[CH:38][CH:39]=3)[CH2:41][CH2:42]2)[C:6]2[N:7]([N:22]=[CH:23][C:24]=2[C:25]#[N:26])[C:8]=1[C:12]1[CH:17]=[CH:16][CH:15]=[C:14]([C:18]([F:21])([F:20])[F:19])[CH:13]=1

Participants

6

Procedure

A mixture of 3.4 g of 4-(chloroacetyl)4,5-dihydro-6-methyl-7-[3-(trifluoromethyl)phenyl]pyrazolo[1,5-a]pyrimidine-3-carbonitrile, 1.1 g of sodium carbonate, 1.7 g of N-benzylpiperazine and 115 ml of toluene was reacted as described in Example 16, giving the base form of the product which was converted to the dihydrochloride salt by the procedure of Example 97, giving 2.4 g, mg 204°-206° C.

Workup

  1. customwas reacted
  2. customgiving the base form of the product which
  3. customgiving 2.4 g, mg 204°-206° C.

Sources & evidence

ORD record
ord-6fc86febb0b84d898a5ca04c40f5e752
Source dataset
uspto-grants-1992_06
Patent number
US05126340

Reaction notes

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