(4R,5S)-4-[(R)-2-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-1-phenylselanyl-ethyl]-2-trichloromethyl-5-[2-(2,4,6-trimethyl-benzyloxy)-ethyl]-4,5-dihydro-oxazole

Base Information

Chemical Name:(4R,5S)-4-[(R)-2-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-1-phenylselanyl-ethyl]-2-trichloromethyl-5-[2-(2,4,6-trimethyl-benzyloxy)-ethyl]-4,5-dihydro-oxazole
CAS No.:264205-84-7
Molecular Formula:C₂₉H₃₆Cl₃NO₄Se
Molecular Weight:647.928
Hs Code.:

Synonyms:(4R,5S)-4-[(R)-2-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-1-phenylselanyl-ethyl]-2-trichloromethyl-5-[2-(2,4,6-trimethyl-benzyloxy)-ethyl]-4,5-dihydro-oxazole

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Chemical Property of (4R,5S)-4-[(R)-2-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-1-phenylselanyl-ethyl]-2-trichloromethyl-5-[2-(2,4,6-trimethyl-benzyloxy)-ethyl]-4,5-dihydro-oxazole

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Technology Process of (4R,5S)-4-[(R)-2-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-1-phenylselanyl-ethyl]-2-trichloromethyl-5-[2-(2,4,6-trimethyl-benzyloxy)-ethyl]-4,5-dihydro-oxazole

There total 4 articles about (4R,5S)-4-[(R)-2-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-1-phenylselanyl-ethyl]-2-trichloromethyl-5-[2-(2,4,6-trimethyl-benzyloxy)-ethyl]-4,5-dihydro-oxazole 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: 67.0%

: 34837-55-3
Phenylselenyl bromide

: 264205-82-5
2,2,2-Trichloro-acetimidic acid (Z)-(S)-4-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-1-[2-(2,4,6-trimethyl-benzyloxy)-ethyl]-but-2-enyl ester

: 264205-84-7
(4R,5S)-4-[(R)-2-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-1-phenylselanyl-ethyl]-2-trichloromethyl-5-[2-(2,4,6-trimethyl-benzyloxy)-ethyl]-4,5-dihydro-oxazole

Guidance literature:: With methyloxirane; methyl 2,2,2-trichloroacetimidate; In acetonitrile; at -30 - 0 ℃;
DOI:10.1039/a909400h

Reference yield:

: 1585-16-6
2-chloromethyl-1,3,5-trimethylbenzene

: 264205-84-7
(4R,5S)-4-[(R)-2-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-1-phenylselanyl-ethyl]-2-trichloromethyl-5-[2-(2,4,6-trimethyl-benzyloxy)-ethyl]-4,5-dihydro-oxazole

Guidance literature:: Multi-step reaction with 3 steps

1.1: Bu₂SnO / toluene

1.2: Bu₄NBr / 80 °C

2.1: DBU / acetonitrile / -30 - -20 °C

3.1: 67 percent / methyl trichloroacetimidate; propylene oxide / acetonitrile / -30 - 0 °C

With di(n-butyl)tin oxide; 1,8-diazabicyclo[5.4.0]undec-7-ene; methyloxirane; methyl 2,2,2-trichloroacetimidate; In toluene; acetonitrile; 1.1: Metallation / 1.2: Substitution / 2.1: Substitution / 3.1: Substitution;
DOI:10.1039/a909400h

Reference yield:

: 211518-41-1
(Z)-(S)-6-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-hex-4-ene-1,3-diol

: 264205-84-7
(4R,5S)-4-[(R)-2-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-1-phenylselanyl-ethyl]-2-trichloromethyl-5-[2-(2,4,6-trimethyl-benzyloxy)-ethyl]-4,5-dihydro-oxazole

Guidance literature:: Multi-step reaction with 3 steps

1.1: Bu₂SnO / toluene

1.2: Bu₄NBr / 80 °C

2.1: DBU / acetonitrile / -30 - -20 °C

3.1: 67 percent / methyl trichloroacetimidate; propylene oxide / acetonitrile / -30 - 0 °C

With di(n-butyl)tin oxide; 1,8-diazabicyclo[5.4.0]undec-7-ene; methyloxirane; methyl 2,2,2-trichloroacetimidate; In toluene; acetonitrile; 1.1: Metallation / 1.2: Substitution / 2.1: Substitution / 3.1: Substitution;
DOI:10.1039/a909400h