(1S,2R,3R,4R,5R,7R)-4-(4-bromobenzoyloxy)-7-ethyl-2-hydroxy-1,3-dimethyl-6,8-dioxabicyclo<3.2.1>octane

Base Information

Chemical Name:(1S,2R,3R,4R,5R,7R)-4-(4-bromobenzoyloxy)-7-ethyl-2-hydroxy-1,3-dimethyl-6,8-dioxabicyclo<3.2.1>octane
CAS No.:98003-87-3
Molecular Formula:C₁₇H₂₁BrO₅
Molecular Weight:385.255
Hs Code.:

Synonyms:(1S,2R,3R,4R,5R,7R)-4-(4-bromobenzoyloxy)-7-ethyl-2-hydroxy-1,3-dimethyl-6,8-dioxabicyclo<3.2.1>octane

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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 (1S,2R,3R,4R,5R,7R)-4-(4-bromobenzoyloxy)-7-ethyl-2-hydroxy-1,3-dimethyl-6,8-dioxabicyclo<3.2.1>octane

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Technology Process of (1S,2R,3R,4R,5R,7R)-4-(4-bromobenzoyloxy)-7-ethyl-2-hydroxy-1,3-dimethyl-6,8-dioxabicyclo<3.2.1>octane

There total 4 articles about (1S,2R,3R,4R,5R,7R)-4-(4-bromobenzoyloxy)-7-ethyl-2-hydroxy-1,3-dimethyl-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: 91.0%

: 87641-40-5
(1S,2R,3R,4R,5R,7R)-7-ethyl-2,4-dihydroxy-1,3-dimethyl-6,8-dioxabicyclo<3.2.1>octane

: 586-75-4
4-chlorobenzoyl chloride

: 98003-87-3
(1S,2R,3R,4R,5R,7R)-4-(4-bromobenzoyloxy)-7-ethyl-2-hydroxy-1,3-dimethyl-6,8-dioxabicyclo<3.2.1>octane

Guidance literature:: With pyridine; In dichloromethane; for 1h; Ambient temperature;

Reference yield:

: 72353-13-0,72353-14-1,87641-37-0,114144-66-0
3,6-dideoxy-1,2-O-isopropylidene-3-C-methyl-β-L-lyxohexofuranos-5-ulose

: 98003-87-3
(1S,2R,3R,4R,5R,7R)-4-(4-bromobenzoyloxy)-7-ethyl-2-hydroxy-1,3-dimethyl-6,8-dioxabicyclo<3.2.1>octane

Guidance literature:: Multi-step reaction with 4 steps

1: 51 percent / hexane; tetrahydrofuran / 9 h / 0 °C

2: N-methylmorpholine N-oxide-monohydrate, OsO₄ / acetone; H₂O / 15 h / 0 - 20 °C

3: 82 percent / toluene-p-sulphonic acid monohydrate / CH₂Cl₂ / 12 h / Ambient temperature

4: 91 percent / pyridine / CH₂Cl₂ / 1 h / Ambient temperature

With pyridine; osmium(VIII) oxide; toluene-4-sulfonic acid; 4-methylmorpholine N-oxide; In tetrahydrofuran; hexane; dichloromethane; water; acetone;

Reference yield:

: 98049-26-4
(Z)-3,5,6,7,8-pentadeoxy-1,2-O-isopropylidene-3,5-di-C-methyl-β-L-lyxo-oct-5-enofuranose

: 98003-87-3
(1S,2R,3R,4R,5R,7R)-4-(4-bromobenzoyloxy)-7-ethyl-2-hydroxy-1,3-dimethyl-6,8-dioxabicyclo<3.2.1>octane

Guidance literature:: Multi-step reaction with 3 steps

1: N-methylmorpholine N-oxide-monohydrate, OsO₄ / acetone; H₂O / 15 h / 0 - 20 °C

2: 82 percent / toluene-p-sulphonic acid monohydrate / CH₂Cl₂ / 12 h / Ambient temperature

3: 91 percent / pyridine / CH₂Cl₂ / 1 h / Ambient temperature

With pyridine; osmium(VIII) oxide; toluene-4-sulfonic acid; 4-methylmorpholine N-oxide; In dichloromethane; water; acetone;