Ethyl 1-naphthylpropiolate → HCID 66821088, compound

HRID 24021Notes

Reaction equation

HRID 24021 reaction equation
[CH2:1]([O:3][C:4](=[O:17])[C:5]#[C:6][C:7]1[C:16]2[C:11](=[CH:12][CH:13]=[CH:14][CH:15]=2)[CH:10]=[CH:9][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[C:16]5[C:11](=[CH:12][CH:13]=[CH:14][CH:15]=5)[CH:10]=[CH:9][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

HCID 13193568Ethyl 1-naphthylpropiolateHCID 668210837-[2-(1H-indol-5-yloxy)-ethyl]-3,4-dihydro-2H-[1,8]naphthyridine-1-carboxylic acid tert-butyl ester

Product 1

HCID 66821088HCID 66821088, compoundYield 37%

Procedure

The title compound was synthesized from naphthalene-1-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 37% yield as an E/Z isomeric mixture. 1H NMR (CDCl3) δ 8.32 (m, 1H), 7.85 (m, 2H), 7.47 (m, 3H), 7.27 (m, 2.5H), 6.95 (m, 3H), 6.72 (m, 1.5H), 6.58 (m, 0.5H), 6.35 (m, 1.5H), 4.27 (m, 2H), 4.03 (m, 2H), 3.69 (m, 2H), 3.14 (m, 2H), 2.67 (m, 2H), 1.86 (m, 2H), 1.45 (s, 9H), 1.18 (m, 3H).

Sources & evidence

ORD record
ord-ea9c64d54e66430ca5e38ef03fdc571c
Source dataset
uspto-grants-2005_02
Patent number
US06855722B2

Reaction notes

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