1-Methylpiperazine → HCID 22633007, compound

HRID 2416840Notes

Reaction equation

HRID 2416840 reaction equation
[CH2:1]([O:8][N:9]1[C:14](=[O:15])[C:13]2[CH:16]=[C:17]([F:21])[C:18](Cl)=[N:19][C:12]=2[N:11]([CH2:22][CH3:23])[C:10]1=[O:24])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:25][N:26]1[CH2:31][CH2:30][NH:29][CH2:28][CH2:27]1>ClCCl>[CH2:1]([O:8][N:9]1[C:14](=[O:15])[C:13]2[CH:16]=[C:17]([F:21])[C:18]([N:29]3[CH2:30][CH2:31][N:26]([CH3:25])[CH2:27][CH2:28]3)=[N:19][C:12]=2[N:11]([CH2:22][CH3:23])[C:10]1=[O:24])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1

Participants

4

Reactant 2

HCID 531671-MethylpiperazineHCID 22632998HCID 22632998, compound

Product 1

HCID 22633007HCID 22633007, compoundYield 84.6%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Following the procedure of Example X-2, the reaction of 3-benzyloxy-7-chloro-1-ethyl-6-fluoro-1H-pyrido[2,3-d]pyrimidine-2,4-dione (Example N-2, 200 mg, 0.572 mmol) with 4-methylpiperazine (0.152 mL, 1.37 mmol) in dichloromethane (3 mL) afforded 200 mg of the title compound as a solid, mp 178-179° C.

Sources & evidence

ORD record
ord-a144dbf263804aa5b8d13cf1678717f7
Source dataset
uspto-grants-2004_11
Patent number
US06825199B2

Reaction notes

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