(2-{[1-hydroxy-2,3-bis(1-methylethoxy)-4-oxocyclobut-2-enyl]ethynyl}phenyl)carbamic acid 1,1-dimethylethyl ester

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Chemical Name:(2-{[1-hydroxy-2,3-bis(1-methylethoxy)-4-oxocyclobut-2-enyl]ethynyl}phenyl)carbamic acid 1,1-dimethylethyl ester
CAS No.:1038778-59-4
Molecular Formula:C₂₃H₂₉NO₆
Molecular Weight:415.486
Hs Code.:

Synonyms:(2-{[1-hydroxy-2,3-bis(1-methylethoxy)-4-oxocyclobut-2-enyl]ethynyl}phenyl)carbamic acid 1,1-dimethylethyl ester

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Chemical Property of (2-{[1-hydroxy-2,3-bis(1-methylethoxy)-4-oxocyclobut-2-enyl]ethynyl}phenyl)carbamic acid 1,1-dimethylethyl ester

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Technology Process of (2-{[1-hydroxy-2,3-bis(1-methylethoxy)-4-oxocyclobut-2-enyl]ethynyl}phenyl)carbamic acid 1,1-dimethylethyl ester

There total 2 articles about (2-{[1-hydroxy-2,3-bis(1-methylethoxy)-4-oxocyclobut-2-enyl]ethynyl}phenyl)carbamic acid 1,1-dimethylethyl 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: 50.0%

: 61699-62-5
diisopropyl squarate

: 199454-06-3
(2-ethynylphenyl)carbamic acid 1,1-dimethylethyl ester

: 1038778-59-4
(2-{[1-hydroxy-2,3-bis(1-methylethoxy)-4-oxocyclobut-2-enyl]ethynyl}phenyl)carbamic acid 1,1-dimethylethyl ester

Guidance literature:: (2-ethynylphenyl)carbamic acid 1,1-dimethylethyl ester; With n-butyllithium; In tetrahydrofuran; at -5 ℃; for 0.25h;

diisopropyl squarate; In tetrahydrofuran; at 20 ℃; for 0.5h; Further stages.;
DOI:10.1016/j.tet.2008.03.025

Reference yield: 37.0%

: 114094-77-8
2,3-bis(1-methylethoxy)-4-hydroxy-4-ethynylcyclobut-2-en-1-one

: 161117-84-6
tert-butyl 2-iodophenylcarbamate

: 1038778-59-4
(2-{[1-hydroxy-2,3-bis(1-methylethoxy)-4-oxocyclobut-2-enyl]ethynyl}phenyl)carbamic acid 1,1-dimethylethyl ester

Guidance literature:: With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride; at 20 ℃; for 24h;
DOI:10.1016/j.tet.2008.03.025