Ethyl chloroformate → HCID 19785250, compound
Reaction equation
[Cl:1][C:2]1[N:10]=[CH:9][N:8]=[C:7]2[C:3]=1[N:4]([CH2:25][C:26]1[CH:31]=[CH:30][C:29]([F:32])=[CH:28][CH:27]=1)[C:5]([CH2:11][CH:12]1[CH2:17][CH2:16][N:15](CC3C=CC=CC=3)[CH2:14][CH2:13]1)=[N:6]2.[C:33](Cl)(=[O:37])[O:34][CH2:35][CH3:36].[OH-].[NH4+]>CC1C=CC=CC=1>[Cl:1][C:2]1[N:10]=[CH:9][N:8]=[C:7]2[C:3]=1[N:4]([CH2:25][C:26]1[CH:27]=[CH:28][C:29]([F:32])=[CH:30][CH:31]=1)[C:5]([CH2:11][CH:12]1[CH2:13][CH2:14][N:15]([C:33]([O:34][CH2:35][CH3:36])=[O:37])[CH2:16][CH2:17]1)=[N:6]2Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
A mixture of 16 parts of 6-chloro-7-[(4-fluorophenyl)methyl]-8-[[1-(phenylmethyl)-4-piperidinyl]methyl]-7H-purine, 4.65 parts of ethyl carbonochloridate and 180 parts of methylbenzene was stirred for 2 hours at reflux temperature. After cooling, the reaction mixture was treated with ammonium hydroxide and the product was extracted with methylbenzene. The extract was washed with water, dried, filtered and evaporated, yielding 18.7 parts (100%) of ethyl 4-[[6-chloro-7-[(4-fluorophenyl)methyl]-7H-purin-8-yl]methyl]-1-piperidinecarboxylate as a residue (compound 28).
Workup
- temperatureat reflux temperature
- temperatureAfter cooling
- extractionthe product was extracted with methylbenzene
- washThe extract was washed with water
- customdried
- filtrationfiltered
- customevaporated
Sources & evidence
- ORD record
- ord-92aac68774bc42a18da1c236c5a74cd6
- Source dataset
- uspto-grants-1993_11
- Patent number
- US05258380
Reaction notes
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