(23R)-cholesta-5,25-diene-3β,23-diol dibenzoate

Base Information

Chemical Name:(23R)-cholesta-5,25-diene-3β,23-diol dibenzoate
CAS No.:81677-30-7
Molecular Formula:C₄₁H₅₂O₄
Molecular Weight:608.861
Hs Code.:

Synonyms:

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Chemical Property of (23R)-cholesta-5,25-diene-3β,23-diol dibenzoate

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Technology Process of (23R)-cholesta-5,25-diene-3β,23-diol dibenzoate

There total 9 articles about (23R)-cholesta-5,25-diene-3β,23-diol dibenzoate 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:

: 19462-13-6
3β-acetoxy-5-cholenic acid

: 81677-30-7
(23R)-cholesta-5,25-diene-3β,23-diol dibenzoate

Guidance literature:: Multi-step reaction with 8 steps

1: 61 percent / cupric acetate, lead tetraacetate, pyridine / benzene / 3 h / Heating

2: 6.6 g / 5percent methanolic KOH / tetrahydrofuran / 16 h / Ambient temperature

3: 7.52 g / p-toluenesulfonic acid*H₂O / CH₂Cl₂ / 0.5 h / Ambient temperature

4: 1.) BH₃-THF complex, 2.) 3N sodium hydroxyde, 30percent H₂O₂ / 1.) THF, 0 deg C, 2.5 h, 2.) 0 deg C, 0.5 h

5: 2.06 g / pyridinium chlorochromate, sodium acetate / CH₂Cl₂ / 2 h

6: 1.) Mg / 1.) THF, 0 deg C, 100 min, 2.) 0 deg C, 1 h

7: 2.62 g / HCl / methanol; tetrahydrofuran / 2 h / Ambient temperature

8: pyridine / methanol; tetrahydrofuran / 0.5 h / 0 °C

With pyridine; lead(IV) acetate; hydrogenchloride; potassium hydroxide; sodium hydroxide; borane-THF; dihydrogen peroxide; copper diacetate; sodium acetate; magnesium; pyridinium chlorochromate; toluene-4-sulfonic acid; In tetrahydrofuran; methanol; dichloromethane; benzene;
DOI:10.1248/cpb.31.394

Reference yield:

: 57597-07-6
24-norchola-5,22-dien-3β-ol

: 81677-30-7
(23R)-cholesta-5,25-diene-3β,23-diol dibenzoate

Guidance literature:: Multi-step reaction with 6 steps

1: 7.52 g / p-toluenesulfonic acid*H₂O / CH₂Cl₂ / 0.5 h / Ambient temperature

2: 1.) BH₃-THF complex, 2.) 3N sodium hydroxyde, 30percent H₂O₂ / 1.) THF, 0 deg C, 2.5 h, 2.) 0 deg C, 0.5 h

3: 2.06 g / pyridinium chlorochromate, sodium acetate / CH₂Cl₂ / 2 h

4: 1.) Mg / 1.) THF, 0 deg C, 100 min, 2.) 0 deg C, 1 h

5: 2.62 g / HCl / methanol; tetrahydrofuran / 2 h / Ambient temperature

6: pyridine / methanol; tetrahydrofuran / 0.5 h / 0 °C

With pyridine; hydrogenchloride; sodium hydroxide; borane-THF; dihydrogen peroxide; sodium acetate; magnesium; pyridinium chlorochromate; toluene-4-sulfonic acid; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1248/cpb.31.394

Reference yield:

: 52710-35-7
24-norchola-5,22-dien-3β-ol acetate

: 81677-30-7
(23R)-cholesta-5,25-diene-3β,23-diol dibenzoate

Guidance literature:: Multi-step reaction with 7 steps

1: 6.6 g / 5percent methanolic KOH / tetrahydrofuran / 16 h / Ambient temperature

2: 7.52 g / p-toluenesulfonic acid*H₂O / CH₂Cl₂ / 0.5 h / Ambient temperature

3: 1.) BH₃-THF complex, 2.) 3N sodium hydroxyde, 30percent H₂O₂ / 1.) THF, 0 deg C, 2.5 h, 2.) 0 deg C, 0.5 h

4: 2.06 g / pyridinium chlorochromate, sodium acetate / CH₂Cl₂ / 2 h

5: 1.) Mg / 1.) THF, 0 deg C, 100 min, 2.) 0 deg C, 1 h

6: 2.62 g / HCl / methanol; tetrahydrofuran / 2 h / Ambient temperature

7: pyridine / methanol; tetrahydrofuran / 0.5 h / 0 °C

With pyridine; hydrogenchloride; potassium hydroxide; sodium hydroxide; borane-THF; dihydrogen peroxide; sodium acetate; magnesium; pyridinium chlorochromate; toluene-4-sulfonic acid; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1248/cpb.31.394