(4R,5S)-diphenylmethyl 5-methyl-5-(4-methylphenyl)-4,5-dihydro-1H-imidazole-4-carboxylate

Base Information

Chemical Name:(4R,5S)-diphenylmethyl 5-methyl-5-(4-methylphenyl)-4,5-dihydro-1H-imidazole-4-carboxylate
CAS No.:1613309-84-4
Molecular Formula:C₂₅H₂₄N₂O₂
Molecular Weight:384.478
Hs Code.:

Synonyms:(4R,5S)-diphenylmethyl 5-methyl-5-(4-methylphenyl)-4,5-dihydro-1H-imidazole-4-carboxylate

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (4R,5S)-diphenylmethyl 5-methyl-5-(4-methylphenyl)-4,5-dihydro-1H-imidazole-4-carboxylate

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Technology Process of (4R,5S)-diphenylmethyl 5-methyl-5-(4-methylphenyl)-4,5-dihydro-1H-imidazole-4-carboxylate

There total 6 articles about (4R,5S)-diphenylmethyl 5-methyl-5-(4-methylphenyl)-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: 81.0%

: 1613309-46-8
(4R,5S)-diphenylmethyl 1-(diphenylphosphoryl)-5-methyl-5-(4-methylphenyl)-4,5-dihydro-1H-imidazole-4-carboxylate

: 1613309-84-4
(4R,5S)-diphenylmethyl 5-methyl-5-(4-methylphenyl)-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:

: 2089-33-0
4-methylacethophenone oxime

: 1613309-84-4
(4R,5S)-diphenylmethyl 5-methyl-5-(4-methylphenyl)-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

Reference yield:

: 122-00-9
para-methylacetophenone

: 1613309-84-4
(4R,5S)-diphenylmethyl 5-methyl-5-(4-methylphenyl)-4,5-dihydro-1H-imidazole-4-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1.1: hydroxylamine hydrochloride; sodium acetate / ethanol; water / 20 h / 20 °C / Reflux

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

2.2: 16.33 h / -45 - 20 °C

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

3.2: 60 h / -20 °C / Molecular sieve

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

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