(1aR,5aR)-2-(2,4-difluoro-phenyl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid ethyl ester

Base Information

Chemical Name:(1aR,5aR)-2-(2,4-difluoro-phenyl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid ethyl ester
CAS No.:1268882-38-7
Molecular Formula:C₁₆H₁₄F₂N₂O₂
Molecular Weight:304.296
Hs Code.:

Synonyms:(1aR,5aR)-2-(2,4-difluoro-phenyl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid ethyl ester

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Chemical Property of (1aR,5aR)-2-(2,4-difluoro-phenyl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid ethyl ester

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Technology Process of (1aR,5aR)-2-(2,4-difluoro-phenyl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid ethyl ester

There total 1 articles about (1aR,5aR)-2-(2,4-difluoro-phenyl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid ethyl ester 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:

: 58001-78-8
bicyclo<3.1.0>hexan-2-one

: 1-(2,4-difluorophenyl)hydrazine hydrochloride

: 95-92-1
oxalic acid diethyl ester

: 1268882-38-7
(1aR,5aR)-2-(2,4-difluoro-phenyl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid ethyl ester

Guidance literature:: bicyclo<3.1.0>hexan-2-one; oxalic acid diethyl ester; With potassium tert-butylate; In tetrahydrofuran; ethanol; at 20 ℃; for 2h;

1-(2,4-difluorophenyl)hydrazine hydrochloride; With hydrogenchloride; In tetrahydrofuran; ethanol; water; at 40 ℃; for 18h;

Reference yield:

: 1268882-38-7
(1aR,5aR)-2-(2,4-difluoro-phenyl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid ethyl ester

: 1268882-37-6
(1aR,5aR)-2-(2,4-difluoro-phenyl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid

Guidance literature:: (1aR,5aR)-2-(2,4-difluoro-phenyl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid ethyl ester; With water; sodium hydroxide; In tetrahydrofuran; methanol; at 23 ℃; for 3h;

With hydrogenchloride; In water; pH=2;

Reference yield:

: 1268882-38-7
(1aR,5aR)-2-(2,4-difluoro-phenyl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid ethyl ester

: 1268874-98-1
(1aR,5aR)-2-(2,4-difluoro-phenyl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid [1-(6-methoxy-pyridin-3-yl)-1-methyl-ethyl]-amide

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hydroxide; water / tetrahydrofuran; methanol / 3 h / 23 °C

1.2: pH 2

2.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 1 h / 20 °C

With water; N-ethyl-N,N-diisopropylamine; HATU; sodium hydroxide; In tetrahydrofuran; methanol; N,N-dimethyl-formamide;