tert-butyl 4-((3-ethylphenyl)amino)-5,8-dihydropyrido[4',3':4,5]-thieno[2,3-d]pyrimidine-7(6H)-carboxylate

Base Information

Chemical Name:tert-butyl 4-((3-ethylphenyl)amino)-5,8-dihydropyrido[4',3':4,5]-thieno[2,3-d]pyrimidine-7(6H)-carboxylate
CAS No.:1474030-92-6
Molecular Formula:C₂₂H₂₆N₄O₂S
Molecular Weight:410.54
Hs Code.:

Synonyms:tert-butyl 4-((3-ethylphenyl)amino)-5,8-dihydropyrido[4',3':4,5]-thieno[2,3-d]pyrimidine-7(6H)-carboxylate

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Chemical Property of tert-butyl 4-((3-ethylphenyl)amino)-5,8-dihydropyrido[4',3':4,5]-thieno[2,3-d]pyrimidine-7(6H)-carboxylate

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Technology Process of tert-butyl 4-((3-ethylphenyl)amino)-5,8-dihydropyrido[4',3':4,5]-thieno[2,3-d]pyrimidine-7(6H)-carboxylate

There total 4 articles about tert-butyl 4-((3-ethylphenyl)amino)-5,8-dihydropyrido[4',3':4,5]-thieno[2,3-d]pyrimidine-7(6H)-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: 55.0%

: 946198-89-6
tert-butyl 4-chloro-5,6-dihydropyrido(4’,3’:4,5)thieno(2,3-d)pyrimidine-7(8H)-carboxylate

: 587-02-0
m-ethylaniline

: 1474030-92-6
tert-butyl 4-((3-ethylphenyl)amino)-5,8-dihydropyrido[4',3':4,5]-thieno[2,3-d]pyrimidine-7(6H)-carboxylate

Guidance literature:: m-ethylaniline; With sodium hydride; In 1,4-dioxane; at 25 ℃; for 0.333333h;

tert-butyl 4-chloro-5,6-dihydropyrido(4’,3’:4,5)thieno(2,3-d)pyrimidine-7(8H)-carboxylate; In 1,4-dioxane; at 90 ℃; for 2h;
DOI:10.1080/14756366.2019.1596903

Reference yield:

: 193537-14-3
2-amino-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3,6-dicarboxylic acid 6-tert-butyl ester 3-ethyl ester

: 1474030-92-6
tert-butyl 4-((3-ethylphenyl)amino)-5,8-dihydropyrido[4',3':4,5]-thieno[2,3-d]pyrimidine-7(6H)-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: N,N-dimethyl-formamide / 16 h / 100 °C

2: triethylamine; trichlorophosphate / 3 h / 60 °C

3: ethanol / 8 h / Reflux

With triethylamine; trichlorophosphate; In ethanol; N,N-dimethyl-formamide; 1: |Niementowski Quinazolone Synthesis;
DOI:10.1039/c3md00118k

Reference yield:

: 874801-60-2
tert-butytert-butyl-4-oxo-3,4,5,6,7,8-hexahydropyrido[4′,3′:4,5]thieno-[2,3-d]pyrimidine-7-carboxylatel-4-oxo-3,4,5,6,7,8-hexahydropyrido[4′,3′:4,5]thieno-[2,3-d]pyrimidine-7-carboxylate

: 1474030-92-6
tert-butyl 4-((3-ethylphenyl)amino)-5,8-dihydropyrido[4',3':4,5]-thieno[2,3-d]pyrimidine-7(6H)-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: triethylamine; trichlorophosphate / 3 h / 60 °C

2: ethanol / 8 h / Reflux

With triethylamine; trichlorophosphate; In ethanol;
DOI:10.1039/c3md00118k