3-carboethoxy-5-(4-carbomethoxybenzylidenenyl)-N-2,4-dimethoxybenzyl-6,7-dihydro-(1H)-azepin-2-one

Base Information

Chemical Name:3-carboethoxy-5-(4-carbomethoxybenzylidenenyl)-N-2,4-dimethoxybenzyl-6,7-dihydro-(1H)-azepin-2-one
CAS No.:220546-08-7
Molecular Formula:C₂₇H₂₉NO₇
Molecular Weight:479.53
Hs Code.:

Synonyms:3-carboethoxy-5-(4-carbomethoxybenzylidenenyl)-N-2,4-dimethoxybenzyl-6,7-dihydro-(1H)-azepin-2-one

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Chemical Property of 3-carboethoxy-5-(4-carbomethoxybenzylidenenyl)-N-2,4-dimethoxybenzyl-6,7-dihydro-(1H)-azepin-2-one

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Technology Process of 3-carboethoxy-5-(4-carbomethoxybenzylidenenyl)-N-2,4-dimethoxybenzyl-6,7-dihydro-(1H)-azepin-2-one

There total 4 articles about 3-carboethoxy-5-(4-carbomethoxybenzylidenenyl)-N-2,4-dimethoxybenzyl-6,7-dihydro-(1H)-azepin-2-one which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 40.0%

: 1571-08-0
methyl 4-formylbenzoate

: 220546-02-1
3-carboethoxy-N-2,4-dimethoxybenzyl-1,5,6,7-tetrahydro-(1H)-azepin-2-one

: 220546-08-7
3-carboethoxy-5-(4-carbomethoxybenzylidenenyl)-N-2,4-dimethoxybenzyl-6,7-dihydro-(1H)-azepin-2-one

Guidance literature:: With zinc(II) chloride; lithium diisopropyl amide; In tetrahydrofuran; n-heptane; ethylbenzene; 1.) -78 deg C, 0.5 h, 2.) -78 deg C, 0.5 h; warm to room temperature; 40 deg C, 6 h;
DOI:10.1016/S0040-4020(98)01060-6

Reference yield:

: 613-45-6
2,4-Dimethoxybenzaldehyde

: 220546-08-7
3-carboethoxy-5-(4-carbomethoxybenzylidenenyl)-N-2,4-dimethoxybenzyl-6,7-dihydro-(1H)-azepin-2-one

Guidance literature:: Multi-step reaction with 4 steps

1: 2.) NaBH₄ / 1.) benzene, reflux, 3 h, 2.) MeOH, room temperature, 0.5 h

2: 98 percent / Et₃N / tetrahydrofuran / Ambient temperature

3: 65.4 percent / acetic acid; H₂O / 6 h / 40 °C

4: 40 percent / LDA, ZnCl₂ / heptane; tetrahydrofuran; ethylbenzene / 1.) -78 deg C, 0.5 h, 2.) -78 deg C, 0.5 h; warm to room temperature; 40 deg C, 6 h

With sodium tetrahydroborate; triethylamine; zinc(II) chloride; lithium diisopropyl amide; In tetrahydrofuran; n-heptane; ethylbenzene; water; acetic acid;
DOI:10.1016/S0040-4020(98)01060-6

Reference yield:

: 220546-04-3
4-(N-2,4-dimethoxybenzyl)aminobutanal diethylacetal

: 220546-08-7
3-carboethoxy-5-(4-carbomethoxybenzylidenenyl)-N-2,4-dimethoxybenzyl-6,7-dihydro-(1H)-azepin-2-one

Guidance literature:: Multi-step reaction with 3 steps

1: 98 percent / Et₃N / tetrahydrofuran / Ambient temperature

2: 65.4 percent / acetic acid; H₂O / 6 h / 40 °C

3: 40 percent / LDA, ZnCl₂ / heptane; tetrahydrofuran; ethylbenzene / 1.) -78 deg C, 0.5 h, 2.) -78 deg C, 0.5 h; warm to room temperature; 40 deg C, 6 h

With triethylamine; zinc(II) chloride; lithium diisopropyl amide; In tetrahydrofuran; n-heptane; ethylbenzene; water; acetic acid;
DOI:10.1016/S0040-4020(98)01060-6