Naphthalene-2-yl-propynoic acid ethyl ester → 7-{2-[1-(2-Ethoxycarbonyl-1-naphthalen-2-yl-vinyl)-1H-indol-5-yloxy]-ethyl}-3,4-dihydro-2H-[1,8]naphthyridine-1-carboxylic acid tert-butyl ester
Reaction equation
[CH2:1]([O:3][C:4](=[O:17])[C:5]#[C:6][C:7]1[CH:16]=[CH:15][C:14]2[C:9](=[CH:10][CH:11]=[CH:12][CH:13]=2)[CH:8]=1)[CH3:2].[C:18]([O:22][C:23]([N:25]1[C:34]2[C:29](=[CH:30][CH:31]=[C:32]([CH2:35][CH2:36][O:37][C:38]3[CH:39]=[C:40]4[C:44](=[CH:45][CH:46]=3)[NH:43][CH:42]=[CH:41]4)[N:33]=2)[CH2:28][CH2:27][CH2:26]1)=[O:24])([CH3:21])([CH3:20])[CH3:19]>>[C:18]([O:22][C:23]([N:25]1[C:34]2[C:29](=[CH:30][CH:31]=[C:32]([CH2:35][CH2:36][O:37][C:38]3[CH:39]=[C:40]4[C:44](=[CH:45][CH:46]=3)[N:43]([C:6]([C:7]3[CH:16]=[CH:15][C:14]5[C:9](=[CH:10][CH:11]=[CH:12][CH:13]=5)[CH:8]=3)=[CH:5][C:4]([O:3][CH2:1][CH3:2])=[O:17])[CH:42]=[CH:41]4)[N:33]=2)[CH2:28][CH2:27][CH2:26]1)=[O:24])([CH3:21])([CH3:19])[CH3:20]Participants
3
Reactant 2
Product 1
Procedure
The title compound was synthesized from naphthalene-2-yl-propynoic acid ethyl ester and 7-[2-(1H-indol-5-yloxy)-ethyl]-3,4-dihydro-2H-[1,8]naphthyridine-1-carboxylic acid tert-butyl ester using the procedure described in Example 16, step (d1), in 88% yield as an E/Z isomeric mixture. 1H NMR (CDCl3) δ 7.85 (m, 4H), 7.50 (m, 2.6H), 7.33 (m, 1.6H), 7.12 (m, 1.8H), 6.95 (m, 1.4H), 6.74 (m, 1.6H), 6.61 (d, 0.6H, J=0.4 Hz), 6.50 (d, 0.4H, J=0.4 Hz), 6.35 (s, 0.6H), 6.23 (s, 0.4 HZ), 4.36 (t, 2H, J=8.0 Hz), 4.05 (m, 2H), 3.76 (m, 2H), 3.20 (t, 2H, J=8.0), 2.73 (t, 2H, J=8.0 Hz), (m, 2H), 1.51 (s, 9H), 1.07 (m, 3H).
Sources & evidence
- ORD record
- ord-c17792089bf648b59a48220530a633b6
- Source dataset
- uspto-grants-2007_07
- Patent number
- US07241789B2
Reaction notes
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