ethyl (5-amino-4-((4-((tert-butoxycarbonyl)oxy)phenyl)diazenyl)-1-(2,4-dimethoxybenzyl)-1H-pyrazol-3-yl)carbamate

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Chemical Name:ethyl (5-amino-4-((4-((tert-butoxycarbonyl)oxy)phenyl)diazenyl)-1-(2,4-dimethoxybenzyl)-1H-pyrazol-3-yl)carbamate
CAS No.:1374431-93-2
Molecular Formula:C₂₆H₃₂N₆O₇
Molecular Weight:540.576
Hs Code.:

Synonyms:ethyl (5-amino-4-((4-((tert-butoxycarbonyl)oxy)phenyl)diazenyl)-1-(2,4-dimethoxybenzyl)-1H-pyrazol-3-yl)carbamate

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Chemical Property of ethyl (5-amino-4-((4-((tert-butoxycarbonyl)oxy)phenyl)diazenyl)-1-(2,4-dimethoxybenzyl)-1H-pyrazol-3-yl)carbamate

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Technology Process of ethyl (5-amino-4-((4-((tert-butoxycarbonyl)oxy)phenyl)diazenyl)-1-(2,4-dimethoxybenzyl)-1H-pyrazol-3-yl)carbamate

There total 2 articles about ethyl (5-amino-4-((4-((tert-butoxycarbonyl)oxy)phenyl)diazenyl)-1-(2,4-dimethoxybenzyl)-1H-pyrazol-3-yl)carbamate 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: 37.0%

: 1374431-88-5
tert-butyl (4-((3,5-diamino-1-(2,4-dimethoxybenzyl)-1H-pyrazol-4-yl)diazenyl)phenyl) carbonate

: 541-41-3
chloroformic acid ethyl ester

: 1374431-93-2
ethyl (5-amino-4-((4-((tert-butoxycarbonyl)oxy)phenyl)diazenyl)-1-(2,4-dimethoxybenzyl)-1H-pyrazol-3-yl)carbamate

Guidance literature:: With pyridine; In dichloromethane; at 2 - 20 ℃; for 18h;
DOI:10.1016/j.tet.2012.03.063

Reference yield:

: 1374431-87-4
4-((3,5-diamino-1-(2,4-dimethoxybenzyl)-1H-pyrazol-4-yl)diazenyl)phenol

: 1374431-93-2
ethyl (5-amino-4-((4-((tert-butoxycarbonyl)oxy)phenyl)diazenyl)-1-(2,4-dimethoxybenzyl)-1H-pyrazol-3-yl)carbamate

Guidance literature:: Multi-step reaction with 2 steps

1: pyridine / 18 h / 2 - 20 °C

2: pyridine / dichloromethane / 18 h / 2 - 20 °C

With pyridine; In dichloromethane;
DOI:10.1016/j.tet.2012.03.063

Reference yield: 20.0%

: 1374431-93-2
ethyl (5-amino-4-((4-((tert-butoxycarbonyl)oxy)phenyl)diazenyl)-1-(2,4-dimethoxybenzyl)-1H-pyrazol-3-yl)carbamate

: ethyl (5-amino-4-((4-hydroxyphenyl)diazenyl)-1H-pyrazol-3-yl)carbamate

Guidance literature:: ethyl (5-amino-4-((4-((tert-butoxycarbonyl)oxy)phenyl)diazenyl)-1-(2,4-dimethoxybenzyl)-1H-pyrazol-3-yl)carbamate; With trifluoroacetic acid; at 20 ℃; for 4h; Neat (no solvent);

With ammonia; In water; at 20 ℃; for 2h; pH=10;
DOI:10.1016/j.tet.2012.03.063