(2R,4RS,6S,7R)-exo-7-ethyl-5-methyl-4-phenylseleno-6,8-dioxabicyclo[3.2.1]octane

Base Information

Chemical Name:(2R,4RS,6S,7R)-exo-7-ethyl-5-methyl-4-phenylseleno-6,8-dioxabicyclo[3.2.1]octane
CAS No.:250359-36-5
Molecular Formula:C₁₅H₂₀O₂Se
Molecular Weight:311.283
Hs Code.:

Synonyms:(2R,4RS,6S,7R)-exo-7-ethyl-5-methyl-4-phenylseleno-6,8-dioxabicyclo[3.2.1]octane

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Chemical Property of (2R,4RS,6S,7R)-exo-7-ethyl-5-methyl-4-phenylseleno-6,8-dioxabicyclo[3.2.1]octane

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Technology Process of (2R,4RS,6S,7R)-exo-7-ethyl-5-methyl-4-phenylseleno-6,8-dioxabicyclo[3.2.1]octane

There total 10 articles about (2R,4RS,6S,7R)-exo-7-ethyl-5-methyl-4-phenylseleno-6,8-dioxabicyclo[3.2.1]octane 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: 99.0%

: 110660-55-4
(4R,5R,3'RS)-4-ethyl-2,2-dimethyl-5-(4-oxo-3-phenylselenopentyl)-1,3-dioxolane

: 250359-36-5
(2R,4RS,6S,7R)-exo-7-ethyl-5-methyl-4-phenylseleno-6,8-dioxabicyclo[3.2.1]octane

Guidance literature:: With toluene-4-sulfonic acid; In diethyl ether; for 3h; Ambient temperature;
DOI:10.1016/S0040-4020(01)96072-7

Reference yield:

: 97039-82-2
(4R,5R)-4-ethyl-2,2-dimethyl-5-(4-oxopentyl)-1,3-dioxolane

: 250359-36-5
(2R,4RS,6S,7R)-exo-7-ethyl-5-methyl-4-phenylseleno-6,8-dioxabicyclo[3.2.1]octane

Guidance literature:: Multi-step reaction with 2 steps

1.1: TMSCl; Et₃N / dimethylformamide / 168 h / Heating

1.2: 66 percent / pyridine / CH₂Cl₂ / 2 h / 0 °C

2.1: pTsOH*H₂O / diethyl ether; H₂O / 3 h / 20 °C

With chloro-trimethyl-silane; toluene-4-sulfonic acid; triethylamine; In diethyl ether; water; N,N-dimethyl-formamide; 1.1: Condensation / 1.2: Selenenylation / 2.1: Cyclization;
DOI:10.1002/(SICI)1099-0690(199909)1999:9<2167::AID-EJOC2167>3.0.CO;2-L

Reference yield:

: 5707-04-0
Phenylselenyl chloride

: 250359-36-5
(2R,4RS,6S,7R)-exo-7-ethyl-5-methyl-4-phenylseleno-6,8-dioxabicyclo[3.2.1]octane

Guidance literature:: Multi-step reaction with 2 steps

1.1: TMSCl; Et₃N / dimethylformamide / 168 h / Heating

1.2: 66 percent / pyridine / CH₂Cl₂ / 2 h / 0 °C

2.1: pTsOH*H₂O / diethyl ether; H₂O / 3 h / 20 °C

With chloro-trimethyl-silane; toluene-4-sulfonic acid; triethylamine; In diethyl ether; water; N,N-dimethyl-formamide; 1.1: Condensation / 1.2: Selenenylation / 2.1: Cyclization;
DOI:10.1002/(SICI)1099-0690(199909)1999:9<2167::AID-EJOC2167>3.0.CO;2-L