Boronic acid, [1-cyclopentene-1,2-diylbis(5-methyl-4,2-thiophenediyl)]bis-, tetrabutyl ester

Base Information

Chemical Name:Boronic acid, [1-cyclopentene-1,2-diylbis(5-methyl-4,2-thiophenediyl)]bis-, tetrabutyl ester
CAS No.:509083-61-8
Molecular Formula:C31H50B2O4S2
Molecular Weight:572.49
Hs Code.:

Synonyms:1,2-bis(5'-dibutoxyboryl-2'-methylthien-3'-yl)cyclopentene;1,2-bis[5-(dibutoxyboryl)-2-methylthien-3-yl]cyclopentene;

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of Boronic acid, [1-cyclopentene-1,2-diylbis(5-methyl-4,2-thiophenediyl)]bis-, tetrabutyl ester

Chemical Property:

Boiling Point:651.7±55.0 °C(Predicted)
PSA：93.40000
Density:1.05±0.1 g/cm3(Predicted)
LogP:8.17830

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of Boronic acid, [1-cyclopentene-1,2-diylbis(5-methyl-4,2-thiophenediyl)]bis-, tetrabutyl ester

There total 1 articles about Boronic acid, [1-cyclopentene-1,2-diylbis(5-methyl-4,2-thiophenediyl)]bis-, tetrabutyl ester 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:

: 17249-82-0
2-chloro-5-methylthiophene

: 509083-61-8
1,2-bis[5'-di-n-butoxyboryl-2'-methylthien-3'-yl]cyclopentene

Guidance literature:: Multi-step reaction with 3 steps

1: 48 percent / AlCl₃ / CS₂ / 2 h / 0 - 20 °C

2: 44 percent / Zn dust; TiCl₃*(THF)3 / 1 h / 40 °C

3: nBuLi / tetrahydrofuran; hexane / 1 h / 20 °C

With n-butyllithium; aluminium trichloride; titanium trichloride tris(tetrahydrofuran); zinc; In tetrahydrofuran; carbon disulfide; hexane; 1: Friedel-Crafts acylation / 2: McMurry reaction;
DOI:10.1002/1099-0690(200301)2003:1<155::AID-EJOC155>3.0.CO;2-S

Reference yield: 76.0%

: 106-37-6
1.4-dibromobenzene

: 509083-61-8
1,2-bis[5'-di-n-butoxyboryl-2'-methylthien-3'-yl]cyclopentene

: 532930-53-3
1,2-bis(5'-(4-bromophenyl)-2'-methylthien-3'-yl)-cyclopentene

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate; ethylene glycol; In tetrahydrofuran; hexane; for 2h; Heating;
DOI:10.1002/ejoc.200200719

Reference yield: 71.0%

: 5798-75-4
Ethyl 4-bromobenzoate

: 509083-61-8
1,2-bis[5'-di-n-butoxyboryl-2'-methylthien-3'-yl]cyclopentene

: 1,2-bis(5-(4-ethyloxycarbonylphenyl)-2-methylthien-3-yl)cyclopent-1-ene

Guidance literature:: Ethyl 4-bromobenzoate; With tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; for 0.25h;

1,2-bis[5'-di-n-butoxyboryl-2'-methylthien-3'-yl]cyclopentene; With sodium carbonate; In tetrahydrofuran; at 80 ℃; for 16h;
DOI:10.1002/anie.201602417