Benzoic acid (1R,4R,4aS,4bS,8aS,9R,10aS)-9-(2-chloro-acetoxy)-4-methoxy-1,4a,7-trimethyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester

Base Information

Chemical Name:Benzoic acid (1R,4R,4aS,4bS,8aS,9R,10aS)-9-(2-chloro-acetoxy)-4-methoxy-1,4a,7-trimethyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester
CAS No.:123834-92-4
Molecular Formula:C₂₈H₃₅ClO₆
Molecular Weight:503.035
Hs Code.:

Benzoic acid (1R,4R,4aS,4bS,8aS,9R,10aS)-9-(2-chloro-acetoxy)-4-methoxy-1,4a,7-trimethyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester

Synonyms:Benzoic acid (1R,4R,4aS,4bS,8aS,9R,10aS)-9-(2-chloro-acetoxy)-4-methoxy-1,4a,7-trimethyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester

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Chemical Property of Benzoic acid (1R,4R,4aS,4bS,8aS,9R,10aS)-9-(2-chloro-acetoxy)-4-methoxy-1,4a,7-trimethyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester

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Technology Process of Benzoic acid (1R,4R,4aS,4bS,8aS,9R,10aS)-9-(2-chloro-acetoxy)-4-methoxy-1,4a,7-trimethyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester

There total 8 articles about Benzoic acid (1R,4R,4aS,4bS,8aS,9R,10aS)-9-(2-chloro-acetoxy)-4-methoxy-1,4a,7-trimethyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester 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: 94.0%

: 123834-75-3
8β-((benzoyloxy)methyl)-7α-hydroxy-1β-methoxy-13-methyl-19-nor-9β-podocarp-13-en-12-one

: 541-88-8
Chloroacetic anhydride

: 123834-92-4
Benzoic acid (1R,4R,4aS,4bS,8aS,9R,10aS)-9-(2-chloro-acetoxy)-4-methoxy-1,4a,7-trimethyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester

Guidance literature:: With pyridine;
DOI:10.1021/jo00289a023

Reference yield:

: 54125-02-9
danishefsky's diene

: 123834-92-4
Benzoic acid (1R,4R,4aS,4bS,8aS,9R,10aS)-9-(2-chloro-acetoxy)-4-methoxy-1,4a,7-trimethyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester

Guidance literature:: Multi-step reaction with 3 steps

2: 97 percent / 4-(N,N-dimethylamino)pyridine / pyridine / 18 h / 25 °C

3: 94 percent / pyridine

With pyridine; dmap; In pyridine;
DOI:10.1021/jo00289a023

Reference yield:

: 100348-93-4
(R)-Wieland-Miescher ketone

: 123834-92-4
Benzoic acid (1R,4R,4aS,4bS,8aS,9R,10aS)-9-(2-chloro-acetoxy)-4-methoxy-1,4a,7-trimethyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester

Guidance literature:: Multi-step reaction with 7 steps

1: 92 percent / NaBH₄

2: 1) NaH

6: 97 percent / 4-(N,N-dimethylamino)pyridine / pyridine / 18 h / 25 °C

7: 94 percent / pyridine

With pyridine; dmap; sodium tetrahydroborate; sodium hydride; In pyridine;
DOI:10.1021/jo00289a023