2,6-diphenyl-4-(cyano(ethoxycarbonyl)methylene)-4H-thiopyran 1,1-dioxide

Base Information

Chemical Name:2,6-diphenyl-4-(cyano(ethoxycarbonyl)methylene)-4H-thiopyran 1,1-dioxide
CAS No.:97671-92-6
Molecular Formula:C₂₂H₁₇NO₄S
Molecular Weight:391.447
Hs Code.:

Synonyms:2,6-diphenyl-4-(cyano(ethoxycarbonyl)methylene)-4H-thiopyran 1,1-dioxide

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Chemical Property of 2,6-diphenyl-4-(cyano(ethoxycarbonyl)methylene)-4H-thiopyran 1,1-dioxide

Chemical Property:

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Technology Process of 2,6-diphenyl-4-(cyano(ethoxycarbonyl)methylene)-4H-thiopyran 1,1-dioxide

There total 6 articles about 2,6-diphenyl-4-(cyano(ethoxycarbonyl)methylene)-4H-thiopyran 1,1-dioxide 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: 88.0%

: 41068-60-4
2,6-diphenyl-4H-thiopyran-4-one 1,1-dioxide

: 105-56-6
ethyl 2-cyanoacetate

: 97671-92-6
2,6-diphenyl-4-(cyano(ethoxycarbonyl)methylene)-4H-thiopyran 1,1-dioxide

Guidance literature:: With pyridine; titanium tetrachloride; In tetrahydrofuran; tetrachloromethane; Ambient temperature;
DOI:10.1021/jo00367a007

Reference yield:

: 37014-01-0
4-oxo-2,6-diphenyl-thiane

: 97671-92-6
2,6-diphenyl-4-(cyano(ethoxycarbonyl)methylene)-4H-thiopyran 1,1-dioxide

Guidance literature:: Multi-step reaction with 4 steps

1: NCS, pyridine

2: 89 percent / 40percent peracetic acid / acetic acid; acetic acid / Ambient temperature

3: iodine, sulfuric acid / dimethylsulfoxide / 24 h / Heating

4: 88 percent / TiCl₄, pyridine / tetrahydrofuran; CCl₄ / Ambient temperature

With pyridine; peracetic acid; N-chloro-succinimide; sulfuric acid; iodine; titanium tetrachloride; In tetrahydrofuran; tetrachloromethane; acetic acid; dimethyl sulfoxide;
DOI:10.1021/jo00367a007

Reference yield:

: 66510-40-5
2,6-diphenyl-2,3-dihydro-4H-thiopyran-4-one 1,1-dioxode

: 97671-92-6
2,6-diphenyl-4-(cyano(ethoxycarbonyl)methylene)-4H-thiopyran 1,1-dioxide

Guidance literature:: Multi-step reaction with 2 steps

1: iodine, sulfuric acid / dimethylsulfoxide / 24 h / Heating

2: 88 percent / TiCl₄, pyridine / tetrahydrofuran; CCl₄ / Ambient temperature

With pyridine; sulfuric acid; iodine; titanium tetrachloride; In tetrahydrofuran; tetrachloromethane; dimethyl sulfoxide;
DOI:10.1021/jo00367a007