(RS)-12-(4-chlorophenyl)-9-ethoxy-2-methyl-12H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine

Base Information

Chemical Name:(RS)-12-(4-chlorophenyl)-9-ethoxy-2-methyl-12H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine
CAS No.:1422739-90-9
Molecular Formula:C₂₁H₁₇ClN₄O₂
Molecular Weight:392.845
Hs Code.:

Synonyms:(RS)-12-(4-chlorophenyl)-9-ethoxy-2-methyl-12H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine

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Chemical Property of (RS)-12-(4-chlorophenyl)-9-ethoxy-2-methyl-12H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine

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Technology Process of (RS)-12-(4-chlorophenyl)-9-ethoxy-2-methyl-12H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine

There total 4 articles about (RS)-12-(4-chlorophenyl)-9-ethoxy-2-methyl-12H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine 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: 89.0%

: 1422739-86-3
(RS)-5-(4-chlorophenyl)-4-imino-4,5-dihydro-8-ethoxy-3H-chromeno[2,3-d]pyrimidin-3-amine

: 108-24-7
acetic anhydride

: 1422739-90-9
(RS)-12-(4-chlorophenyl)-9-ethoxy-2-methyl-12H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine

Guidance literature:: for 6h; Reflux;
DOI:10.1016/j.ejmech.2012.11.011

Reference yield:

: 1403826-26-5
(RS)-2-amino-4-(4-chlorophenyl)-7-ethoxy-4H-chromene-3-carbonitrile

: 1422739-90-9
(RS)-12-(4-chlorophenyl)-9-ethoxy-2-methyl-12H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine

Guidance literature:: Multi-step reaction with 3 steps

1: 4 h / Reflux

2: hydrazine hydrate / ethanol / 1 h / 20 °C

3: 6 h / Reflux

With hydrazine hydrate; In ethanol;
DOI:10.1016/j.ejmech.2012.11.011

Reference yield:

: 130944-03-5
2-Amino-4-(4-chloro-phenyl)-7-hydroxy-4H-chromene-3-carbonitrile

: 1422739-90-9
(RS)-12-(4-chlorophenyl)-9-ethoxy-2-methyl-12H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine

Guidance literature:: Multi-step reaction with 4 steps

1.1: potassium hydroxide / ethanol / 1 h / 20 °C

1.2: 24 h / Reflux

2.1: 4 h / Reflux

3.1: hydrazine hydrate / ethanol / 1 h / 20 °C

4.1: 6 h / Reflux

With hydrazine hydrate; potassium hydroxide; In ethanol;
DOI:10.1016/j.ejmech.2012.11.011