(3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(4-hydroxy-2(E)-butenyl)-2H-cyclopentafuran-2-one

Base Information

• Chemical Name: (3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(4-hydroxy-2(E)-butenyl)-2H-cyclopentafuran-2-one
• CAS No.: 131543-63-0
• Molecular Formula: C₁₈H₂₀O₅
• Molecular Weight: 316.354

Synonyms:(3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(4-hydroxy-2(E)-butenyl)-2H-cyclopentafuran-2-one

Chemical Property of (3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(4-hydroxy-2(E)-butenyl)-2H-cyclopentafuran-2-one

Chemical Property:

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Technology Process of (3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(4-hydroxy-2(E)-butenyl)-2H-cyclopentafuran-2-one

There total 4 articles about (3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(4-hydroxy-2(E)-butenyl)-2H-cyclopentafuran-2-one 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: 93.0%

(3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(4-(tert-butyldimethylsiloxy)-2(E)-butenyl)-2H-cyclopentafuran-2-one (131543-62-9) → (3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(4-hydroxy-2(E)-butenyl)-2H-cyclopentafuran-2-one (131543-63-0)

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; for 2h; Ambient temperature;

DOI:10.1021/jo00003a083

Reference yield:

(1S,5R,6S,7R)-7-benzoyloxy-6-hydroxymethyl-2-oxabicyclo[3.3.0]octan-3-one (39746-00-4,172821-93-1) → (3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(4-hydroxy-2(E)-butenyl)-2H-cyclopentafuran-2-one (131543-63-0)

Guidance literature:

Multi-step reaction with 4 steps

1: 90 percent / CBr₄, Ph₃P / acetonitrile / 1 h / Ambient temperature

2: 80 percent / NaI / acetone / 1 h / Heating

4: 93 percent / tetrabutylammonium fluoride / tetrahydrofuran / 2 h / Ambient temperature

With carbon tetrabromide; tetrabutyl ammonium fluoride; triphenylphosphine; sodium iodide; In tetrahydrofuran; acetone; acetonitrile;

DOI:10.1021/jo00003a083

Reference yield:

(3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(bromomethyl)-2H-cyclopentafuran-2-one (131543-59-4) → (3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(4-hydroxy-2(E)-butenyl)-2H-cyclopentafuran-2-one (131543-63-0)

Guidance literature:

Multi-step reaction with 3 steps

1: 80 percent / NaI / acetone / 1 h / Heating

3: 93 percent / tetrabutylammonium fluoride / tetrahydrofuran / 2 h / Ambient temperature

With tetrabutyl ammonium fluoride; sodium iodide; In tetrahydrofuran; acetone;

DOI:10.1021/jo00003a083

upstream raw materials:

(3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(4-(tert-butyldimethylsiloxy)-2(E)-butenyl)-2H-cyclopentafuran-2-one

(1S,5R,6S,7R)-7-benzoyloxy-6-hydroxymethyl-2-oxabicyclo[3.3.0]octan-3-one

(3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(bromomethyl)-2H-cyclopentafuran-2-one

(3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-(iodomethyl)-2H-cyclopentafuran-2-one

Downstream raw materials:

Benzoic acid (3aR,4R,5R,6aS)-4-(3-hydroxymethyl-oxiranylmethyl)-2-oxo-hexahydro-cyclopenta[b]furan-5-yl ester

(3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-((2R,3R)-2,3-epoxy-4-hydroxybutyl)-2H-cyclopentafuran-2-one

(3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-((2R,3R)-2,3-epoxy-4-phenoxybutyl)-2H-cyclopentafuran-2-one

(3aR,4R,5R,6aS)-5-(benzoyloxy)hexahydro-4-((3R)-3-hydroxy-4-phenoxy-1(E)-butenyl)-2H-cyclopentafuran-2-one

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