(1-benzenesulfonyl-2,3-dihydro-1H-pyridin-4-ylidene)acetic acid ethyl ester

Base Information

Chemical Name:(1-benzenesulfonyl-2,3-dihydro-1H-pyridin-4-ylidene)acetic acid ethyl ester
CAS No.:1314131-79-7
Molecular Formula:C₁₅H₁₇NO₄S
Molecular Weight:307.37
Hs Code.:

Synonyms:(1-benzenesulfonyl-2,3-dihydro-1H-pyridin-4-ylidene)acetic acid ethyl ester

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Chemical Property of (1-benzenesulfonyl-2,3-dihydro-1H-pyridin-4-ylidene)acetic acid ethyl ester

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Technology Process of (1-benzenesulfonyl-2,3-dihydro-1H-pyridin-4-ylidene)acetic acid ethyl ester

There total 3 articles about (1-benzenesulfonyl-2,3-dihydro-1H-pyridin-4-ylidene)acetic acid ethyl ester 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: 61.0%

: 1314131-77-5
1-benzenesulfonyl-4,4-dimethoxy-piperidin-3-ol

: 1099-45-2
ethyl (triphenylphosphoranylidene)acetate

: 1314131-79-7
(1-benzenesulfonyl-2,3-dihydro-1H-pyridin-4-ylidene)acetic acid ethyl ester

Guidance literature:: 1-benzenesulfonyl-4,4-dimethoxy-piperidin-3-ol; With toluene-4-sulfonic acid; trimethyl orthoformate; In dichloromethane; at 20 ℃; for 0.333333h; Inert atmosphere;

ethyl (triphenylphosphoranylidene)acetate; In dichloromethane; for 22h; stereoselective reaction; Inert atmosphere; Reflux;
DOI:10.1016/j.tet.2011.04.102

Reference yield:

: 34259-86-4
1-benzenesulfonyl-piperidin-4-one

: 1314131-79-7
(1-benzenesulfonyl-2,3-dihydro-1H-pyridin-4-ylidene)acetic acid ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: N-Bromosuccinimide; acetic acid / Inert atmosphere

2.1: methanol / tetrahydrofuran / 12 h / Reflux; Inert atmosphere

3.1: toluene-4-sulfonic acid; trimethyl orthoformate / dichloromethane / 0.33 h / 20 °C / Inert atmosphere

3.2: 22 h / Inert atmosphere; Reflux

With methanol; N-Bromosuccinimide; toluene-4-sulfonic acid; acetic acid; trimethyl orthoformate; In tetrahydrofuran; dichloromethane;
DOI:10.1016/j.tet.2011.04.102

Reference yield:

: 919491-04-6
1-benzenesulfonyl-3-bromopiperidine-4-one

: 1314131-79-7
(1-benzenesulfonyl-2,3-dihydro-1H-pyridin-4-ylidene)acetic acid ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: methanol / tetrahydrofuran / 12 h / Reflux; Inert atmosphere

2.1: toluene-4-sulfonic acid; trimethyl orthoformate / dichloromethane / 0.33 h / 20 °C / Inert atmosphere

2.2: 22 h / Inert atmosphere; Reflux

With methanol; toluene-4-sulfonic acid; trimethyl orthoformate; In tetrahydrofuran; dichloromethane;
DOI:10.1016/j.tet.2011.04.102