(E)-1,1-dimethyl-2-[(E)-2-methyl-4-(phenylsulfonyl)pent-2-enylidene]hydrazine

Base Information

Chemical Name:(E)-1,1-dimethyl-2-[(E)-2-methyl-4-(phenylsulfonyl)pent-2-enylidene]hydrazine
CAS No.:1606991-75-6
Molecular Formula:C₁₄H₂₀N₂O₂S
Molecular Weight:280.391
Hs Code.:

Synonyms:(E)-1,1-dimethyl-2-[(E)-2-methyl-4-(phenylsulfonyl)pent-2-enylidene]hydrazine

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Chemical Property of (E)-1,1-dimethyl-2-[(E)-2-methyl-4-(phenylsulfonyl)pent-2-enylidene]hydrazine

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Technology Process of (E)-1,1-dimethyl-2-[(E)-2-methyl-4-(phenylsulfonyl)pent-2-enylidene]hydrazine

There total 4 articles about (E)-1,1-dimethyl-2-[(E)-2-methyl-4-(phenylsulfonyl)pent-2-enylidene]hydrazine 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: 52.0%

: 1606991-72-3
(E)-1,1-dimethyl-2-[(E)-2-methyl-4-(phenylsulfonyl)but-2-enylidene]hydrazine

: 74-88-4
methyl iodide

: 1606991-75-6
(E)-1,1-dimethyl-2-[(E)-2-methyl-4-(phenylsulfonyl)pent-2-enylidene]hydrazine

Guidance literature:: (E)-1,1-dimethyl-2-[(E)-2-methyl-4-(phenylsulfonyl)but-2-enylidene]hydrazine; With tert.-butyl lithium; In tetrahydrofuran; hexane; at -78 ℃; for 0.5h; Inert atmosphere;

methyl iodide; In tetrahydrofuran; hexane; at -78 - 20 ℃; for 3h; Reagent/catalyst; regioselective reaction; Inert atmosphere;
DOI:10.1021/jo500478u

Reference yield:

: 26394-25-2
(E)-4-chloro-2-methylbut-2-enal

: 1606991-75-6
(E)-1,1-dimethyl-2-[(E)-2-methyl-4-(phenylsulfonyl)pent-2-enylidene]hydrazine

Guidance literature:: Multi-step reaction with 3 steps

1.1: toluene-4-sulfonic acid / methanol / 1 h / 20 °C / Inert atmosphere

1.2: 12 h / 20 °C / Inert atmosphere

2.1: triethylamine / dichloromethane / 3 h / 20 °C / Inert atmosphere

3.1: tert.-butyl lithium / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere

3.2: 3 h / -78 - 20 °C / Inert atmosphere

With tert.-butyl lithium; toluene-4-sulfonic acid; triethylamine; In tetrahydrofuran; methanol; hexane; dichloromethane;
DOI:10.1021/jo500478u

Reference yield:

: 873-55-2
sodium benzenesulfonate

: 1606991-75-6
(E)-1,1-dimethyl-2-[(E)-2-methyl-4-(phenylsulfonyl)pent-2-enylidene]hydrazine

Guidance literature:: Multi-step reaction with 3 steps

1.1: toluene-4-sulfonic acid / methanol / 1 h / 20 °C / Inert atmosphere

1.2: 12 h / 20 °C / Inert atmosphere

2.1: triethylamine / dichloromethane / 3 h / 20 °C / Inert atmosphere

3.1: tert.-butyl lithium / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere

3.2: 3 h / -78 - 20 °C / Inert atmosphere

With tert.-butyl lithium; toluene-4-sulfonic acid; triethylamine; In tetrahydrofuran; methanol; hexane; dichloromethane;
DOI:10.1021/jo500478u