trans,cis-5-methyl-3-oxo-3'-phenylspirothiophen-2(3H),2'-oxiran> 1-oxide

Base Information

• Chemical Name: trans,cis-5-methyl-3-oxo-3'-phenylspirothiophen-2(3H),2'-oxiran> 1-oxide
• CAS No.: 62786-19-0
• Molecular Formula: C₁₆H₁₂O₃S
• Molecular Weight: 284.335

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Chemical Property of trans,cis-5-methyl-3-oxo-3'-phenylspirothiophen-2(3H),2'-oxiran> 1-oxide

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Technology Process of trans,cis-5-methyl-3-oxo-3'-phenylspirothiophen-2(3H),2'-oxiran> 1-oxide

There total 10 articles about trans,cis-5-methyl-3-oxo-3'-phenylspirothiophen-2(3H),2'-oxiran> 1-oxide 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: 11.0%

trans-2-benzylidene-5-methyl-3-oxo-2,3-dihydrobenzothiophen 1-oxide (62786-18-9) → trans,trans-5-methyl-3-oxo-3'-phenylspirothiophen-2(3H),2'-oxiran> 1-oxide (62786-19-0,62841-05-8) + trans,cis-5-methyl-3-oxo-3'-phenylspirothiophen-2(3H),2'-oxiran> 1-oxide (62786-19-0,62841-05-8)

Guidance literature:

With sodium hypochlorite; In 1,4-dioxane; for 0.00555556h;

DOI:10.1039/P19800001194

Reference yield: 11.0%

trans-2-benzylidene-5-methyl-3-oxo-2,3-dihydrobenzothiophen 1-oxide (62786-18-9) → trans,trans-5-methyl-3-oxo-3'-phenylspirothiophen-2(3H),2'-oxiran> 1-oxide (62786-19-0,62841-05-8) + trans,cis-5-methyl-3-oxo-3'-phenylspirothiophen-2(3H),2'-oxiran> 1-oxide (62786-19-0,62841-05-8)

Guidance literature:

With sodium hypochlorite; In 1,4-dioxane; for 0.00555556h;

DOI:10.1039/P19800001194

Reference yield:

(Z)-2-benzylidene-5-methylbenzo[b]thiophen-3(2H)-one (60904-81-6) → trans,trans-5-methyl-3-oxo-3'-phenylspirothiophen-2(3H),2'-oxiran> 1-oxide (62786-19-0,62841-05-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 37.5 percent / nitric acid / 0.17 h

2: 32 percent / 0.55percent sodium hypochlorite / dioxane / 0.01 h

With sodium hypochlorite; nitric acid; In 1,4-dioxane;

DOI:10.1039/P19800001194

upstream raw materials:

(Z)-2-benzylidene-5-methylbenzo[b]thiophen-3(2H)-one

trans-2-benzylidene-5-methyl-3-oxo-2,3-dihydrobenzothiophen 1-oxide

trans-5-methyl-3'-phenylspirothiophen-2,2'-oxiran>-3(2H)-one

2-Benzylideno-5-methylbenzothiopen-3-on

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