tert-Butyl-carbamic acid 6-tert-butyl-5-oxo-1,2-diphenyl-4,6-diaza-spiro[2.3]hex-1-en-4-yl ester

Base Information

Chemical Name:tert-Butyl-carbamic acid 6-tert-butyl-5-oxo-1,2-diphenyl-4,6-diaza-spiro[2.3]hex-1-en-4-yl ester
CAS No.:111888-58-5
Molecular Formula:C₂₅H₂₉N₃O₃
Molecular Weight:419.524
Hs Code.:

Synonyms:tert-Butyl-carbamic acid 6-tert-butyl-5-oxo-1,2-diphenyl-4,6-diaza-spiro[2.3]hex-1-en-4-yl ester

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Chemical Property of tert-Butyl-carbamic acid 6-tert-butyl-5-oxo-1,2-diphenyl-4,6-diaza-spiro[2.3]hex-1-en-4-yl ester

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Technology Process of tert-Butyl-carbamic acid 6-tert-butyl-5-oxo-1,2-diphenyl-4,6-diaza-spiro[2.3]hex-1-en-4-yl ester

There total 4 articles about tert-Butyl-carbamic acid 6-tert-butyl-5-oxo-1,2-diphenyl-4,6-diaza-spiro[2.3]hex-1-en-4-yl 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: 69.0%

: 1-hydroxyamino-2,3-diphenylcyclopropenium chloride

: 1609-86-5
Tert-butyl isocyanate

: 111888-58-5
tert-Butyl-carbamic acid 6-tert-butyl-5-oxo-1,2-diphenyl-4,6-diaza-spiro[2.3]hex-1-en-4-yl ester

Guidance literature:: With triethylamine; for 24h; Ambient temperature;
DOI:10.1246/cl.1987.659

Reference yield:

: 886-38-4
diphenylcyclopropenone

: 111888-58-5
tert-Butyl-carbamic acid 6-tert-butyl-5-oxo-1,2-diphenyl-4,6-diaza-spiro[2.3]hex-1-en-4-yl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 83 percent / hydroxylamin hydrochloride / methanol / 24 h / Ambient temperature

2: 69 percent / triethylamine / CH₂Cl₂ / 24 h / 20 °C

With hydroxylamine hydrochloride; triethylamine; In methanol; dichloromethane;
DOI:10.1246/bcsj.61.4347

Reference yield:

: 111888-57-4
4-methyl-6-methylcarbamoyloxy-1,2-diphenyl-4,6-diazaspiro<2.3>hex-1-en-5-one

: 111888-58-5
tert-Butyl-carbamic acid 6-tert-butyl-5-oxo-1,2-diphenyl-4,6-diaza-spiro[2.3]hex-1-en-4-yl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 61 percent / KOH / 1 h / Ambient temperature

2: 89 percent / concd.HCl / CHCl₃; H₂O / 1 h / Ambient temperature

3: 83 percent / hydroxylamin hydrochloride / methanol / 24 h / Ambient temperature

4: 69 percent / triethylamine / CH₂Cl₂ / 24 h / 20 °C

With hydrogenchloride; potassium hydroxide; hydroxylamine hydrochloride; triethylamine; In methanol; dichloromethane; chloroform; water;
DOI:10.1246/bcsj.61.4347