(4R,5S)-tert-butyl 5-ethyl-5-phenyl-4,5-dihydro-1H-imidazole-4-carboxylate

Base Information

Chemical Name:(4R,5S)-tert-butyl 5-ethyl-5-phenyl-4,5-dihydro-1H-imidazole-4-carboxylate
CAS No.:1613309-80-0
Molecular Formula:C₁₆H₂₂N₂O₂
Molecular Weight:274.363
Hs Code.:

Synonyms:(4R,5S)-tert-butyl 5-ethyl-5-phenyl-4,5-dihydro-1H-imidazole-4-carboxylate

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Chemical Property of (4R,5S)-tert-butyl 5-ethyl-5-phenyl-4,5-dihydro-1H-imidazole-4-carboxylate

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Technology Process of (4R,5S)-tert-butyl 5-ethyl-5-phenyl-4,5-dihydro-1H-imidazole-4-carboxylate

There total 4 articles about (4R,5S)-tert-butyl 5-ethyl-5-phenyl-4,5-dihydro-1H-imidazole-4-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: 95.0%

: 1613309-42-4
(4R,5S)-tert-butyl 1-(diphenylphosphoryl)-5-ethyl-5-(phenyl)-4,5-dihydro-1H-imidazole-4-carboxylate

: 1613309-80-0
(4R,5S)-tert-butyl 5-ethyl-5-phenyl-4,5-dihydro-1H-imidazole-4-carboxylate

Guidance literature:: With hydrogenchloride; In dichloromethane; water; at 20 ℃; for 12h;
DOI:10.1002/anie.201309719

Reference yield:

: 106651-13-2
P,P-diphenyl-N-(1-phenylpropylidene)phosphinic amide

: 1613309-80-0
(4R,5S)-tert-butyl 5-ethyl-5-phenyl-4,5-dihydro-1H-imidazole-4-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1.1: N-[(4β,8α,9S)-10,11-dihydrocinchonan-9-yl]-2-(diphenylphosphino)benzamide; silver(l) oxide / ethyl acetate / 0.08 h / -20 °C / Molecular sieve

1.2: 60 h / -20 °C / Molecular sieve

2.1: hydrogenchloride / water; dichloromethane / 12 h / 20 °C

With hydrogenchloride; N-[(4β,8α,9S)-10,11-dihydrocinchonan-9-yl]-2-(diphenylphosphino)benzamide; silver(l) oxide; In dichloromethane; water; ethyl acetate;
DOI:10.1002/anie.201309719

Reference yield:

: 2157-50-8
propiophenone oxime

: 1613309-80-0
(4R,5S)-tert-butyl 5-ethyl-5-phenyl-4,5-dihydro-1H-imidazole-4-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1.1: triethylamine / dichloromethane; hexane / 0.17 h / -45 °C

1.2: 16.33 h / -45 - 20 °C

2.1: N-[(4β,8α,9S)-10,11-dihydrocinchonan-9-yl]-2-(diphenylphosphino)benzamide; silver(l) oxide / ethyl acetate / 0.08 h / -20 °C / Molecular sieve

2.2: 60 h / -20 °C / Molecular sieve

3.1: hydrogenchloride / water; dichloromethane / 12 h / 20 °C

With hydrogenchloride; N-[(4β,8α,9S)-10,11-dihydrocinchonan-9-yl]-2-(diphenylphosphino)benzamide; triethylamine; silver(l) oxide; In hexane; dichloromethane; water; ethyl acetate;
DOI:10.1002/anie.201309719