1,4--2-butyne

Base Information

• Chemical Name: 1,4--2-butyne
• CAS No.: 152857-09-5
• Molecular Formula: C₂₀H₂₂O₄
• Molecular Weight: 326.392

Synonyms:1,4--2-butyne

Chemical Property of 1,4--2-butyne

Chemical Property:

Purity/Quality:

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Technology Process of 1,4--2-butyne

There total 3 articles about 1,4--2-butyne 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: 94.0%

1,4-dihydroxybut-2-yne (110-65-6) + p-methoxybenzyl chloride (824-94-2) → 1,4--2-butyne (152857-09-5)

Guidance literature:

With tetra-(n-butyl)ammonium iodide; sodium hydride; In tetrahydrofuran; 1.) 22 deg C, 2.) 22 deg C, 12 h;

Reference yield: 92.0%

1,4-dihydroxybut-2-yne (110-65-6) + 4-Methoxybenzyl alcohol (105-13-5) → 1,4--2-butyne (152857-09-5)

Guidance literature:

With Amberlyst-15; In dichloromethane; for 7h; Reflux;

DOI:10.1016/j.tetlet.2012.06.084

Reference yield: 65.0%

1,4-dihydroxybut-2-yne (110-65-6) + 4-Methoxybenzyl alcohol (105-13-5) → 4-(p-methoxybenzyloxy)-1-hydroxy-2-butyne (145222-40-8) + 1,4--2-butyne (152857-09-5)

Guidance literature:

With Amberlyst-15; In dichloromethane; for 3.5h; regioselective reaction; Reflux;

DOI:10.1016/j.tetlet.2012.06.084

upstream raw materials:

1,4-dihydroxybut-2-yne

p-methoxybenzyl chloride

4-Methoxybenzyl alcohol

Downstream raw materials:

(Z)-1,4-bis[(4-methoxyphenyl)methoxy]-2-(4-fluorophenyl)-but-2-ene

(Z)-1,4-bis[(4-methoxyphenyl)methoxy]-2-(4-ethoxycarbonylphenyl)-but-2-ene

(E,Z)-5-<(4-Methoxyphenyl)methoxy>-3-<<(4-methoxyphenyl)methoxy>methyl>-2-<2-<<2-(trimethylsilyl)ethoxy>methoxy>ethylidene>-3-pentenoic acid methyl ester

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