1-methoxycarbonyloxy-5-(4-methoxybenzyloxy)-4,4-dimethyl-1-phenyl-2-pentyne

Base Information

Chemical Name:1-methoxycarbonyloxy-5-(4-methoxybenzyloxy)-4,4-dimethyl-1-phenyl-2-pentyne
CAS No.:853296-75-0
Molecular Formula:C₂₃H₂₆O₅
Molecular Weight:382.456
Hs Code.:

Synonyms:1-methoxycarbonyloxy-5-(4-methoxybenzyloxy)-4,4-dimethyl-1-phenyl-2-pentyne

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Chemical Property of 1-methoxycarbonyloxy-5-(4-methoxybenzyloxy)-4,4-dimethyl-1-phenyl-2-pentyne

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Technology Process of 1-methoxycarbonyloxy-5-(4-methoxybenzyloxy)-4,4-dimethyl-1-phenyl-2-pentyne

There total 5 articles about 1-methoxycarbonyloxy-5-(4-methoxybenzyloxy)-4,4-dimethyl-1-phenyl-2-pentyne 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: 87.0%

: 853296-68-1
5-(4-methoxybenzyloxy)-4,4-dimethyl-1-phenyl-3-pentyn-1-ol

: 79-22-1
methyl chloroformate

: 853296-75-0
1-methoxycarbonyloxy-5-(4-methoxybenzyloxy)-4,4-dimethyl-1-phenyl-2-pentyne

Guidance literature:: With pyridine; In dichloromethane; at 0 ℃; for 1h;
DOI:10.1016/j.tet.2005.02.077

Reference yield:

: 92156-87-1
2,2-dimethyl-3-(4-methoxyphenylmethoxy)propionaldehyde

: 853296-75-0
1-methoxycarbonyloxy-5-(4-methoxybenzyloxy)-4,4-dimethyl-1-phenyl-2-pentyne

Guidance literature:: Multi-step reaction with 5 steps

1.1: 85 percent / PPh₃ / CH₂Cl₂ / 7 h / 20 °C

2.1: n-BuLi / tetrahydrofuran; hexane / -78 - 20 °C

2.2: 98 percent / tetrahydrofuran; hexane / -78 - 20 °C

3.1: triethylamine; sulfur trioxide pyridine complex; DMSO / CH₂Cl₂ / 19 h / 20 °C

4.1: 87 percent / tetrahydrofuran / 2 h / 0 °C

5.1: 87 percent / pyridine / CH₂Cl₂ / 1 h / 0 °C

With pyridine; n-butyllithium; sulfur trioxide pyridine complex; dimethyl sulfoxide; triethylamine; triphenylphosphine; In tetrahydrofuran; hexane; dichloromethane; 1.1: Corey-Fuchs reaction;
DOI:10.1016/j.tet.2005.02.077

Reference yield:

: 5-(4-methoxy-benzyloxy)-4,4-dimethyl-pent-2-ynal

: 853296-75-0
1-methoxycarbonyloxy-5-(4-methoxybenzyloxy)-4,4-dimethyl-1-phenyl-2-pentyne

Guidance literature:: Multi-step reaction with 2 steps

1: 87 percent / tetrahydrofuran / 2 h / 0 °C

2: 87 percent / pyridine / CH₂Cl₂ / 1 h / 0 °C

With pyridine; In tetrahydrofuran; dichloromethane;
DOI:10.1016/j.tet.2005.02.077