Acetic acid 4-oxo-4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyrazin-2-ylmethyl ester → 2-(pyridin-2-yloxymethyl)-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one
Reaction equation
COC1C=CC(C[N:8]2[CH2:13][CH2:12][N:11]3[N:14]=[C:15]([CH2:17][O:18][C:19]4[CH:24]=[CH:23][CH:22]=[CH:21][N:20]=4)[CH:16]=[C:10]3[C:9]2=[O:25])=CC=1.O=C1NCCN2N=C(COC(=O)C)C=C12>>[N:20]1[CH:21]=[CH:22][CH:23]=[CH:24][C:19]=1[O:18][CH2:17][C:15]1[CH:16]=[C:10]2[C:9](=[O:25])[NH:8][CH2:13][CH2:12][N:11]2[N:14]=1Participants
3
Procedure
The compound was prepared from 5-(4-methoxy-benzyl)-2-(pyridin-2-yloxymethyl)-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one using the method described in the preceding example 58 (acetic acid 4-oxo-4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyrazin-2-ylmethyl ester).
Sources & evidence
- ORD record
- ord-ee21404700d845859eb1c84dfc6b6224
- Source dataset
- uspto-grants-2013_11
- Patent number
- US08592422B2
Reaction notes
Loading…