2-(4-methylphenyl)-7,8-dihydro-6H-[7]annuleno[b]thiophene-5-carboxylic acid

Base Information

Chemical Name:2-(4-methylphenyl)-7,8-dihydro-6H-[7]annuleno[b]thiophene-5-carboxylic acid
CAS No.:229008-11-1
Molecular Formula:C₁₇H₁₆O₂S
Molecular Weight:284.379
Hs Code.:

Synonyms:2-(4-methylphenyl)-7,8-dihydro-6H-[7]annuleno[b]thiophene-5-carboxylic acid

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Chemical Property of 2-(4-methylphenyl)-7,8-dihydro-6H-[7]annuleno[b]thiophene-5-carboxylic acid

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Technology Process of 2-(4-methylphenyl)-7,8-dihydro-6H-[7]annuleno[b]thiophene-5-carboxylic acid

There total 9 articles about 2-(4-methylphenyl)-7,8-dihydro-6H-[7]annuleno[b]thiophene-5-carboxylic acid 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: 97.0%

: methyl 2-(4-methylphenyl)-7,8-dihydro-6H-[7]annuleno[b]thiophene-5-carboxylate

: 229008-11-1
2-(4-methylphenyl)-7,8-dihydro-6H-[7]annuleno[b]thiophene-5-carboxylic acid

Guidance literature:: With sodium hydroxide; In methanol; for 3h; Inert atmosphere; Reflux;
DOI:10.1021/jo400692p

Reference yield:

: 1435459-26-9
methyl 7,8-dihydro-6H-[7]annuleno[b]thiophene-5-carboxylate

: 229008-11-1
2-(4-methylphenyl)-7,8-dihydro-6H-[7]annuleno[b]thiophene-5-carboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1: Crabtree's catalyst; silver carbonate / 1,4-dioxane / 12 h / 170 °C / Inert atmosphere; Sealed tube

2: sodium hydroxide / methanol / 3 h / Inert atmosphere; Reflux

With Crabtree's catalyst; silver carbonate; sodium hydroxide; In 1,4-dioxane; methanol;
DOI:10.1021/jo400692p

Reference yield:

: 624-31-7
4-tolyl iodide

: 229008-11-1
2-(4-methylphenyl)-7,8-dihydro-6H-[7]annuleno[b]thiophene-5-carboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1: Crabtree's catalyst; silver carbonate / 1,4-dioxane / 12 h / 170 °C

2: sodium hydroxide / methanol / 3 h / Reflux

With Crabtree's catalyst; silver carbonate; sodium hydroxide; In 1,4-dioxane; methanol;
DOI:10.1039/c4ob02397h