3β-benzoyloxy-19-acetoxy-14α-carda-5,20(22)-dienolide

Base Information

Chemical Name:3β-benzoyloxy-19-acetoxy-14α-carda-5,20(22)-dienolide
CAS No.:74703-74-5
Molecular Formula:C₃₂H₃₈O₆
Molecular Weight:518.65
Hs Code.:

Synonyms:

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Chemical Property of 3β-benzoyloxy-19-acetoxy-14α-carda-5,20(22)-dienolide

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Technology Process of 3β-benzoyloxy-19-acetoxy-14α-carda-5,20(22)-dienolide

There total 8 articles about 3β-benzoyloxy-19-acetoxy-14α-carda-5,20(22)-dienolide 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:

: 41767-48-0
5-Bromo-20-oxo-6β,19-epoxy-5α-pregnan-3β-yl acetate

: 74703-74-5
3β-benzoyloxy-19-acetoxy-14α-carda-5,20(22)-dienolide

Guidance literature:: Multi-step reaction with 8 steps

1: 9.6 g / KOH / methanol / 0.08 h / Heating

2: 8.1 g / pyridine / 6 h / Ambient temperature

3: 7.4 g / boron trifluoride etherate / benzene; methanol / 3 h / Ambient temperature

4: 4 g / 70percent perchloric acid / CHCl₃; methanol; H₂O / 12 h / 50 °C

5: N,N'-dicyclohexylcarbodiimide / benzene; pyridine / 6 h / Ambient temperature

6: potassium tert-butoxide / 1,2-dimethoxy-ethane / 1 h / Ambient temperature

7: 1.1 g / powdered zinc / acetic acid; methanol / 0.08 h / 90 °C

8: 270 mg / pyridine / 4 h / Ambient temperature

With potassium hydroxide; perchloric acid; boron trifluoride diethyl etherate; potassium tert-butylate; dicyclohexyl-carbodiimide; zinc; In pyridine; methanol; 1,2-dimethoxyethane; chloroform; water; acetic acid; benzene;
DOI:10.1135/cccc19800921

Reference yield:

: 74703-73-4
3β-benzoyloxy-5-bromo-6β,19-epoxy-21-hydroxy-5α-pregnan-20-one

: 74703-74-5
3β-benzoyloxy-19-acetoxy-14α-carda-5,20(22)-dienolide

Guidance literature:: Multi-step reaction with 4 steps

1: N,N'-dicyclohexylcarbodiimide / benzene; pyridine / 6 h / Ambient temperature

2: potassium tert-butoxide / 1,2-dimethoxy-ethane / 1 h / Ambient temperature

3: 1.1 g / powdered zinc / acetic acid; methanol / 0.08 h / 90 °C

4: 270 mg / pyridine / 4 h / Ambient temperature

With potassium tert-butylate; dicyclohexyl-carbodiimide; zinc; In pyridine; methanol; 1,2-dimethoxyethane; acetic acid; benzene;
DOI:10.1135/cccc19800921

Reference yield:

: 74703-72-3
3β-benzoyloxy-5-bromo-6β,19-epoxy-21-acetoxy-5α-pregnan-20-one

: 74703-74-5
3β-benzoyloxy-19-acetoxy-14α-carda-5,20(22)-dienolide

Guidance literature:: Multi-step reaction with 5 steps

1: 4 g / 70percent perchloric acid / CHCl₃; methanol; H₂O / 12 h / 50 °C

2: N,N'-dicyclohexylcarbodiimide / benzene; pyridine / 6 h / Ambient temperature

3: potassium tert-butoxide / 1,2-dimethoxy-ethane / 1 h / Ambient temperature

4: 1.1 g / powdered zinc / acetic acid; methanol / 0.08 h / 90 °C

5: 270 mg / pyridine / 4 h / Ambient temperature

With perchloric acid; potassium tert-butylate; dicyclohexyl-carbodiimide; zinc; In pyridine; methanol; 1,2-dimethoxyethane; chloroform; water; acetic acid; benzene;
DOI:10.1135/cccc19800921