3,5-bis-((Ξ)-4-methyl-benzylidene)-1,1-dioxo-tetrahydro-1λ⁶-thiopyran-4-one

Base Information

Chemical Name:3,5-bis-((Ξ)-4-methyl-benzylidene)-1,1-dioxo-tetrahydro-1λ⁶-thiopyran-4-one
CAS No.:70343-39-4
Molecular Formula:C₂₁H₂₀O₃S
Molecular Weight:352.454
Hs Code.:

3,5-bis-((Ξ)-4-methyl-benzylidene)-1,1-dioxo-tetrahydro-1λ<sup>6</sup>-thiopyran-4-one

Synonyms:3,5-bis-((Ξ)-4-methyl-benzylidene)-1,1-dioxo-tetrahydro-1λ⁶-thiopyran-4-one

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Chemical Property of 3,5-bis-((Ξ)-4-methyl-benzylidene)-1,1-dioxo-tetrahydro-1λ⁶-thiopyran-4-one

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Technology Process of 3,5-bis-((Ξ)-4-methyl-benzylidene)-1,1-dioxo-tetrahydro-1λ⁶-thiopyran-4-one

There total 4 articles about 3,5-bis-((Ξ)-4-methyl-benzylidene)-1,1-dioxo-tetrahydro-1λ⁶-thiopyran-4-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: 82.0%

: 104-87-0
4-methyl-benzaldehyde

: 17396-35-9
1,1-dioxotetrahydrothiopyran-4-one

: 70343-39-4
(3Z,5Z)-3,5-bis[(4-methylphenyl)methylene]tetrahydro-4H-thiopyran-4-one 1,1-dioxide

Guidance literature:: With hydrogenchloride; In ethanol; Heating;
DOI:10.1021/jm00354a018

Reference yield:

: 62040-99-7
3,5-bis-((Ξ)-4-methyl-benzylidene)-tetrahydro-thiopyran-4-one

: 70343-39-4
3,5-bis-((Ξ)-4-methyl-benzylidene)-1,1-dioxo-tetrahydro-1λ⁶-thiopyran-4-one

Guidance literature:: With dihydrogen peroxide; acetic acid;
DOI:10.1021/ja01558a042

Reference yield:

: 1072-72-6
Tetrahydrothiopyran-4-one

: 70343-39-4
3,5-bis-((Ξ)-4-methyl-benzylidene)-1,1-dioxo-tetrahydro-1λ⁶-thiopyran-4-one

Guidance literature:: Multi-step reaction with 2 steps

1: ethanol; piperidine acetate

2: acetic acid; aqueous hydrogen peroxide

With ethanol; dihydrogen peroxide; piperdinium acetate; acetic acid;
DOI:10.1021/ja01558a042