(E)-dimethyl 2-(4-(2-(1,3-dithian-2-yl)phenoxy)but-2-en-1-ylidene)malonate

Base Information

Chemical Name:(E)-dimethyl 2-(4-(2-(1,3-dithian-2-yl)phenoxy)but-2-en-1-ylidene)malonate
CAS No.:1579964-14-9
Molecular Formula:C₁₉H₂₂O₅S₂
Molecular Weight:394.513
Hs Code.:

Synonyms:(E)-dimethyl 2-(4-(2-(1,3-dithian-2-yl)phenoxy)but-2-en-1-ylidene)malonate

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Chemical Property of (E)-dimethyl 2-(4-(2-(1,3-dithian-2-yl)phenoxy)but-2-en-1-ylidene)malonate

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Technology Process of (E)-dimethyl 2-(4-(2-(1,3-dithian-2-yl)phenoxy)but-2-en-1-ylidene)malonate

There total 5 articles about (E)-dimethyl 2-(4-(2-(1,3-dithian-2-yl)phenoxy)but-2-en-1-ylidene)malonate 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: 12.0%

: 1579964-06-9
(E)-4-(2-(1,3-dithian-2-yl)phenoxy)but-2-enal

: 108-59-8
malonic acid dimethyl ester

: 1579964-14-9
(E)-dimethyl 2-(4-(2-(1,3-dithian-2-yl)phenoxy)but-2-en-1-ylidene)malonate

Guidance literature:: With piperidine; acetic acid; In toluene; for 18h; Inert atmosphere; Dean-Stark; Reflux;
DOI:10.1002/chem.201303435

Reference yield:

: 6842-36-0
2-(2-hydroxyphenyl)-1,3-dithiane

: 1579964-14-9
(E)-dimethyl 2-(4-(2-(1,3-dithian-2-yl)phenoxy)but-2-en-1-ylidene)malonate

Guidance literature:: Multi-step reaction with 4 steps

1: triphenylphosphine; di-isopropyl azodicarboxylate / toluene / 19 h / 0 - 20 °C / Inert atmosphere

2: acetic acid / water; tetrahydrofuran / 20 h / 20 °C / Inert atmosphere

3: manganese(IV) oxide / dichloromethane / 48 h / 20 °C / Inert atmosphere

4: acetic acid; piperidine / toluene / 18 h / Inert atmosphere; Dean-Stark; Reflux

With piperidine; manganese(IV) oxide; di-isopropyl azodicarboxylate; acetic acid; triphenylphosphine; In tetrahydrofuran; dichloromethane; water; toluene;
DOI:10.1002/chem.201303435

Reference yield:

: 1579964-02-5
(E)-((4-(2-(1,3-dithian-2-yl)phenoxy)but-2-en-1-yl)oxy)(tert-butyl)dimethylsilane

: 1579964-14-9
(E)-dimethyl 2-(4-(2-(1,3-dithian-2-yl)phenoxy)but-2-en-1-ylidene)malonate

Guidance literature:: Multi-step reaction with 3 steps

1: acetic acid / water; tetrahydrofuran / 20 h / 20 °C / Inert atmosphere

2: manganese(IV) oxide / dichloromethane / 48 h / 20 °C / Inert atmosphere

3: acetic acid; piperidine / toluene / 18 h / Inert atmosphere; Dean-Stark; Reflux

With piperidine; manganese(IV) oxide; acetic acid; In tetrahydrofuran; dichloromethane; water; toluene;
DOI:10.1002/chem.201303435