2-cyanoethyl 4-[4-bromo-2-(trifluoromethoxy)phenyl]-5-ethoxy-2-methyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate

Base Information

Chemical Name:2-cyanoethyl 4-[4-bromo-2-(trifluoromethoxy)phenyl]-5-ethoxy-2-methyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate
CAS No.:1050477-50-3
Molecular Formula:C₂₂H₁₉BrF₃N₃O₄
Molecular Weight:526.31
Hs Code.:

Synonyms:2-cyanoethyl 4-[4-bromo-2-(trifluoromethoxy)phenyl]-5-ethoxy-2-methyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate

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Chemical Property of 2-cyanoethyl 4-[4-bromo-2-(trifluoromethoxy)phenyl]-5-ethoxy-2-methyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate

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Technology Process of 2-cyanoethyl 4-[4-bromo-2-(trifluoromethoxy)phenyl]-5-ethoxy-2-methyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate

There total 4 articles about 2-cyanoethyl 4-[4-bromo-2-(trifluoromethoxy)phenyl]-5-ethoxy-2-methyl-1,4-dihydro-1,6-naphthyridine-3-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: 64.0%

: 1050477-49-0
2-cyanoethyl 4-[4-bromo-2-(trifluoromethoxy)phenyl]-2-methyl-5-oxo-1,4,5,6-tetrahydro-1,6-naphthyridine-3-carboxylate

: 122-51-0
orthoformic acid triethyl ester

: 1050477-50-3
2-cyanoethyl 4-[4-bromo-2-(trifluoromethoxy)phenyl]-5-ethoxy-2-methyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate

Guidance literature:: 2-cyanoethyl 4-[4-bromo-2-(trifluoromethoxy)phenyl]-2-methyl-5-oxo-1,4,5,6-tetrahydro-1,6-naphthyridine-3-carboxylate; orthoformic acid triethyl ester; at 130 ℃; for 7h;

With sulfuric acid; at 130 ℃;

Reference yield:

: 4-bromo-1-iodo-2-(trifluormethoxy)benzene

: 1050477-50-3
2-cyanoethyl 4-[4-bromo-2-(trifluoromethoxy)phenyl]-5-ethoxy-2-methyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C

2.1: isopropyl alcohol / 72 h / Reflux

3.1: 7 h / 130 °C

3.2: 130 °C

With n-butyllithium; In tetrahydrofuran; hexane; isopropyl alcohol;

Reference yield:

: 220996-80-5
4-bromo-2-[(trifluoromethyl)oxy]benzaldehyde

: 1050477-50-3
2-cyanoethyl 4-[4-bromo-2-(trifluoromethoxy)phenyl]-5-ethoxy-2-methyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1.1: isopropyl alcohol / 72 h / Reflux

2.1: 7 h / 130 °C

2.2: 130 °C

In isopropyl alcohol;