1,1’-[methylenebis(selanylmethylene)]dibenzene

Base Information

• Chemical Name: 1,1’-[methylenebis(selanylmethylene)]dibenzene
• CAS No.: 27976-47-2
• Molecular Formula: C₁₅H₁₆Se₂
• Molecular Weight: 354.212
• Mol file: 27976-47-2.mol

Synonyms:1,1’-[methylenebis(selanylmethylene)]dibenzene

Chemical Property of 1,1’-[methylenebis(selanylmethylene)]dibenzene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

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Technology Process of 1,1’-[methylenebis(selanylmethylene)]dibenzene

There total 3 articles about 1,1’-[methylenebis(selanylmethylene)]dibenzene 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: 85.0%

methyllithium lithium bromide + dibenzyl diselenide (1482-82-2) → 1,1’-[methylenebis(selanylmethylene)]dibenzene (27976-47-2)

Guidance literature:

methyllithium lithium bromide; dibenzyl diselenide; With chloro-trimethyl-silane; iodobromomethane; In tetrahydrofuran; diethyl ether; at -78 ℃; for 2h;

With ammonium chloride; In tetrahydrofuran; diethyl ether; water; chemoselective reaction;

DOI:10.1039/c5cc10280d

Reference yield: 39.0%

Benzyl (2-methoxyethoxy)methyl selenide (152407-20-0) → dibenzyl selenide (1842-38-2) + 1,1’-[methylenebis(selanylmethylene)]dibenzene (27976-47-2)

Guidance literature:

With titanium tetrachloride; In benzene; for 1.5h; Ambient temperature;

DOI:10.1021/jo00084a017

Reference yield:

Benzyl (2-methoxyethoxy)methyl selenide (152407-20-0) + toluene (108-88-3,15644-74-3,16713-13-6) → 1,1’-[methylenebis(selanylmethylene)]dibenzene (27976-47-2) + p-<(Benzylseleno)methyl>toluene + o-<(Benzylseleno)methyl>toluene

Guidance literature:

With titanium tetrachloride; for 1.5h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; Ambient temperature;

DOI:10.1021/jo00084a017

upstream raw materials:

Benzyl (2-methoxyethoxy)methyl selenide

toluene

dibenzyl diselenide

Refernces

• 1、 Yoshimatsu, Mitsuhiro,Sato, Takashi,Shimizu, Hiroshi,Hori, Mikio,Kataoka, Tadashi. "A New Method of Generation of α-Selenocarbenium Ions from Se,O-Heteroacetals and Their Reactions". . p. 1011 - 1019. Retrieved 2007/10/02.