ethyl 6-(3-(tert-butyldimethylsilyloxy)prop-1-ynyl)-4-(2,4-dimethoxybenzylamino)quinazoline-8-carboxylate

Base Information

Chemical Name:ethyl 6-(3-(tert-butyldimethylsilyloxy)prop-1-ynyl)-4-(2,4-dimethoxybenzylamino)quinazoline-8-carboxylate
CAS No.:1269421-82-0
Molecular Formula:C₂₉H₃₇N₃O₅Si
Molecular Weight:535.715
Hs Code.:

Synonyms:ethyl 6-(3-(tert-butyldimethylsilyloxy)prop-1-ynyl)-4-(2,4-dimethoxybenzylamino)quinazoline-8-carboxylate

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Chemical Property of ethyl 6-(3-(tert-butyldimethylsilyloxy)prop-1-ynyl)-4-(2,4-dimethoxybenzylamino)quinazoline-8-carboxylate

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Technology Process of ethyl 6-(3-(tert-butyldimethylsilyloxy)prop-1-ynyl)-4-(2,4-dimethoxybenzylamino)quinazoline-8-carboxylate

There total 4 articles about ethyl 6-(3-(tert-butyldimethylsilyloxy)prop-1-ynyl)-4-(2,4-dimethoxybenzylamino)quinazoline-8-carboxylate 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: 73.0%

: 1269421-81-9
ethyl 4-(2,4-dimethoxybenzylamino)-6-iodoquinazoline-8-carboxylate

: 76782-82-6
tert-Butyldimethyl(prop-2-ynyloxy)silane

: 1269421-82-0
ethyl 6-(3-(tert-butyldimethylsilyloxy)prop-1-ynyl)-4-(2,4-dimethoxybenzylamino)quinazoline-8-carboxylate

Guidance literature:: With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In tetrahydrofuran; at 20 ℃; for 16h; Inert atmosphere;

Reference yield:

: 907574-30-5
2-amino-5-iodoisophthalic acid

: 1269421-82-0
ethyl 6-(3-(tert-butyldimethylsilyloxy)prop-1-ynyl)-4-(2,4-dimethoxybenzylamino)quinazoline-8-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1.1: 0.25 h / 170 - 185 °C

2.1: sulfuric acid / 32 h / Reflux

3.1: benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; 1,8-diazabicyclo[5.4.0]undec-7-ene / acetonitrile / 0.5 h

3.2: 48 h / 20 °C

4.1: triethylamine / copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride / tetrahydrofuran / 16 h / 20 °C / Inert atmosphere

With sulfuric acid; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In tetrahydrofuran; acetonitrile;

Reference yield:

: 1269421-80-8
ethyl 4-hydroxy-6-iodoquinazoline-8-carboxylate

: 1269421-82-0
ethyl 6-(3-(tert-butyldimethylsilyloxy)prop-1-ynyl)-4-(2,4-dimethoxybenzylamino)quinazoline-8-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1.1: benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; 1,8-diazabicyclo[5.4.0]undec-7-ene / acetonitrile / 0.5 h

1.2: 48 h / 20 °C

2.1: triethylamine / copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride / tetrahydrofuran / 16 h / 20 °C / Inert atmosphere

With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In tetrahydrofuran; acetonitrile;