7-[2-(1H-indol-5-yloxy)-ethyl]-3,4-dihydro-2H-[1,8]naphthyridine-1-carboxylic acid tert-butyl ester → HCID 66821111, compound

HRID 1295147Notes

Reaction equation

HRID 1295147 reaction equation
[CH2:1]([O:3][C:4](=[O:15])[CH:5]=[C:6](Cl)[C:7]1[CH:12]=[CH:11][C:10]([CH3:13])=[CH:9][CH:8]=1)[CH3:2].[C:16]([O:20][C:21]([N:23]1[C:32]2[C:27](=[CH:28][CH:29]=[C:30]([CH2:33][CH2:34][O:35][C:36]3[CH:37]=[C:38]4[C:42](=[CH:43][CH:44]=3)[NH:41][CH:40]=[CH:39]4)[N:31]=2)[CH2:26][CH2:25][CH2:24]1)=[O:22])([CH3:19])([CH3:18])[CH3:17]>>[C:16]([O:20][C:21]([N:23]1[C:32]2[C:27](=[CH:28][CH:29]=[C:30]([CH2:33][CH2:34][O:35][C:36]3[CH:37]=[C:38]4[C:42](=[CH:43][CH:44]=3)[N:41]([C:6]([C:7]3[CH:12]=[CH:11][C:10]([CH3:13])=[CH:9][CH:8]=3)=[CH:5][C:4]([O:3][CH2:1][CH3:2])=[O:15])[CH:40]=[CH:39]4)[N:31]=2)[CH2:26][CH2:25][CH2:24]1)=[O:22])([CH3:19])([CH3:17])[CH3:18]

Participants

3

Procedure

The title compound was synthesized from 3-chloro-3-p-tolyl-acrylic 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 outlined in Example 18, step (d), in a 36% yield of E/Z isomeric mixture. 1H NMR (CDCl3) [E/Z mixture] δ 7.33 (m, 1.4H), 7.17 (m, 4.6H), 6.96 (m, 1.6H), 6.74 (m, 2.4H), 6.57 (d, 0.8H, J=0.8 Hz), 6.50 (d, 0.2H, J=0.8 Hz), 6.20 (s, 0.8H), 6.11 (s, 0.2H), 4.39 (t, 2H, J=8.0), 4.01 (m, 2H), 3.78 (t, 2H, J=4.0), 3.22 (t, 2H, J=8.0), 2.75 (t, 2H, J=8.0), 2.44 (s, 0.6H), 2.40 (s, 2.4H), 1.94 (m, 2H), 1.53 (s, 9H), 1.05 (t, 3H, J=8.0 Hz).

Sources & evidence

ORD record
ord-5dcad915eb514123896d42704b5953c3
Source dataset
uspto-grants-2007_07
Patent number
US07241789B2

Reaction notes

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