1-Methylpiperazine → HCID 9969852, compound
Reaction equation
ClCCCO[C:6]1[CH:11]=[CH:10][CH:9]=[CH:8][C:7]=1/[CH:12]=[CH:13]/[C:14]1[O:15][C:16]2[CH:22]=[CH:21][CH:20]=[CH:19][C:17]=2[N:18]=1.[CH3:23][N:24]1[CH2:29][CH2:28][NH:27][CH2:26][CH2:25]1>>[CH3:23][N:24]1[CH2:29][CH2:28][N:27]([CH2:12][CH2:13][CH2:14][O:15][C:9]2[CH:8]=[C:7](/[CH:12]=[CH:13]/[C:14]3[O:15][C:16]4[CH:22]=[CH:21][CH:20]=[CH:19][C:17]=4[N:18]=3)[CH:6]=[CH:11][CH:10]=2)[CH2:26][CH2:25]1Participants
3
Procedure
The title compound was prepared as described in Example 1 starting with (A) of Example 1 (2.0 g, 6.4 mmol) and using N-methylpiperazine in place of dibutylamine to produce 0.56 g (25% yield of the free base of the title compound which was converted to the HCl salt, mp 250°-252° C. IR: 1600 cm-1. MS: 378(MH+). 1H NMR (CDCl3): δ 7.82-7.00 (m, 10H), 4.13 (t, J=5.2 Hz, 2H), 3.31 (m, 13H), 2.41 (m, 2H).
Workup
- customThe title compound was prepared
Sources & evidence
- ORD record
- ord-8d2e4fa9f3b24b82b383c59c2e02b557
- Source dataset
- uspto-grants-1989_08
- Patent number
- US04861897
Reaction notes
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