3,3'-bis-(trisopropylsilyl)ethynyltolan

Base Information

Chemical Name:3,3'-bis-(trisopropylsilyl)ethynyltolan
CAS No.:448895-61-2
Molecular Formula:C₃₆H₅₀Si₂
Molecular Weight:538.964
Hs Code.:

Synonyms:3,3'-bis-(trisopropylsilyl)ethynyltolan

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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 3,3'-bis-(trisopropylsilyl)ethynyltolan

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Technology Process of 3,3'-bis-(trisopropylsilyl)ethynyltolan

There total 2 articles about 3,3'-bis-(trisopropylsilyl)ethynyltolan 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: 99.0%

: 89343-06-6
tris-iso-propylsilyl acetylene

: 153404-60-5,91790-32-8
1,2-bis(3-bromophenyl)acetylene

: 448895-61-2
3,3'-bis-(trisopropylsilyl)ethynyltolan

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; triphenylphosphine; for 16h; Heating;
DOI:10.1021/ja026462p

Reference yield:

: 591-18-4
1-Bromo-3-iodobenzene

: 448895-61-2
3,3'-bis-(trisopropylsilyl)ethynyltolan

Guidance literature:: Multi-step reaction with 2 steps

1: 87 percent / (Ph₃P)2PdCl₂; CuI; piperidine / 16 h

2: 99 percent / (Ph₃P)2PdCl₂; CuI; NEt₃ / PPh₃ / 16 h / Heating

With piperidine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; triphenylphosphine; 1: Heck-Cassar-Sonogashira-Hagihara coupling / 2: Heck-Cassar-Sonogashira-Hagihara coupling;
DOI:10.1021/ja026462p

Reference yield: 23.0%

: 12078-25-0,12078-23-8
dicarbonylcyclopentadienylcobalt

: 448895-61-2
3,3'-bis-(trisopropylsilyl)ethynyltolan

: 448895-65-6
[tetrakis(m-ethynylphenyl)cyclobutadiene]cyclopentadienylcobalt

Guidance literature:: With tetrabutylammonium fluoride; In decane; Co complex reacted with triyne compd. in boiling decane; deprotected with Bu4NF; sepd. by column chromy.;
DOI:10.1021/ja026462p