3-O-benzyl-estra-1,3,5⁽¹⁰⁾,6⁽⁷⁾-tetraen-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane])

Base Information

• Chemical Name: 3-O-benzyl-estra-1,3,5⁽¹⁰⁾,6⁽⁷⁾-tetraen-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane])
• CAS No.: 1393601-80-3
• Molecular Formula: C₃₀H₃₆O₃
• Molecular Weight: 444.614

Synonyms:3-O-benzyl-estra-1,3,5⁽¹⁰⁾,6⁽⁷⁾-tetraen-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane])

Chemical Property of 3-O-benzyl-estra-1,3,5⁽¹⁰⁾,6⁽⁷⁾-tetraen-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane])

Chemical Property:

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Safty Information:

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Technology Process of 3-O-benzyl-estra-1,3,5⁽¹⁰⁾,6⁽⁷⁾-tetraen-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane])

There total 5 articles about 3-O-benzyl-estra-1,3,5⁽¹⁰⁾,6⁽⁷⁾-tetraen-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane]) 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: 66.0%

3-O-benzyl-estra-1,3,5(10)-triene-3,6-diol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane]) (1393601-79-0) → 3-O-benzyl-estra-1,3,5(10),6(7)-tetraen-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane]) (1393601-80-3)

Guidance literature:

With toluene-4-sulfonic acid; 2,2-Dimethyl-1,3-propanediol; In benzene; for 4h; Reflux;

DOI:10.1016/j.steroids.2012.05.004

Reference yield:

3-O-benzyl-6-oxoestra-1,3,5(10)-triene-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane]) (1393601-78-9) → 3-O-benzyl-estra-1,3,5(10),6(7)-tetraen-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane]) (1393601-80-3)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium tetrahydroborate; methanol / diethyl ether / 1 h / 0 - 20 °C

2: 2,2-Dimethyl-1,3-propanediol; toluene-4-sulfonic acid / benzene / 4 h / Reflux

With methanol; sodium tetrahydroborate; toluene-4-sulfonic acid; 2,2-Dimethyl-1,3-propanediol; In diethyl ether; benzene;

DOI:10.1016/j.steroids.2012.05.004

Reference yield:

3-O-benzyl-estra-1,3,5(10)-trien-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane]) (1393601-77-8) → 3-O-benzyl-estra-1,3,5(10),6(7)-tetraen-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane]) (1393601-80-3)

Guidance literature:

Multi-step reaction with 3 steps

1: sodium hydrogencarbonate; potassium permanganate / benzene; water / 3 h / Reflux

2: sodium tetrahydroborate; methanol / diethyl ether / 1 h / 0 - 20 °C

3: 2,2-Dimethyl-1,3-propanediol; toluene-4-sulfonic acid / benzene / 4 h / Reflux

With methanol; sodium tetrahydroborate; potassium permanganate; sodium hydrogencarbonate; toluene-4-sulfonic acid; 2,2-Dimethyl-1,3-propanediol; In diethyl ether; water; benzene;

DOI:10.1016/j.steroids.2012.05.004

upstream raw materials:

3-O-benzyl-estra-1,3,5⁽¹⁰⁾-trien-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane])

3-O-benzyl-6-oxoestra-1,3,5⁽¹⁰⁾-triene-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane])

3-O-benzyl-estra-1,3,5⁽¹⁰⁾-triene-3,6-diol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane])

3-benzyloxyestra-1,3,5⁽¹⁰⁾-trien-17-one

Downstream raw materials:

3-O-benzyl-estra-1,3,5(10)-trien-3,7α-diol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane])

3-O-benzyl-7α-methoxyestra-1,3,5(10)-trien-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane])

3-O-benzyl-7α-propoxyestra-1,3,5(10)-trien-3-ol-17-one-17,17-(2'-[5',5'-dimethyl-1',3'-dioxane])

7α-methoxy-17α-(4'-fluorophenylethynyl)estra-1,3,5(10)-triene-3,17β-diol

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