(4bβ)-2β,3β-Epoxy-1α,4aα-(carbonyloxy)-1β-methyl-8-methylenegibbane-10β-carboxylic acid methyl ester

Base Information

Chemical Name:(4bβ)-2β,3β-Epoxy-1α,4aα-(carbonyloxy)-1β-methyl-8-methylenegibbane-10β-carboxylic acid methyl ester
CAS No.:55093-68-0
Molecular Formula:C₂₀H₂₄O₅
Molecular Weight:344.408
Hs Code.:

Synonyms:(4bβ)-2β,3β-Epoxy-1α,4aα-(carbonyloxy)-1β-methyl-8-methylenegibbane-10β-carboxylic acid methyl ester

Suppliers and Price of (4bβ)-2β,3β-Epoxy-1α,4aα-(carbonyloxy)-1β-methyl-8-methylenegibbane-10β-carboxylic acid methyl ester

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (4bβ)-2β,3β-Epoxy-1α,4aα-(carbonyloxy)-1β-methyl-8-methylenegibbane-10β-carboxylic acid methyl ester

Chemical Property:

Melting Point:135 - 136 °C
PSA：65.13000
LogP:2.24100

Purity/Quality:

Safty Information:

Pictogram(s):
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Technology Process of (4bβ)-2β,3β-Epoxy-1α,4aα-(carbonyloxy)-1β-methyl-8-methylenegibbane-10β-carboxylic acid methyl ester

There total 3 articles about (4bβ)-2β,3β-Epoxy-1α,4aα-(carbonyloxy)-1β-methyl-8-methylenegibbane-10β-carboxylic acid methyl 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: 77.0%

: 16838-16-7
ent-2α,3α-epoxy-10β-hydroxy-16-oxo-17,20-dinorgibberellane-7,19-dioic acid 7-methyl ester 19,10-lactone

: 2065-66-9
methyl-triphenylphosphonium iodide

: 55093-68-0
ent-2α,3α-epoxy-10β-hydroxy-20-norgibberell-16-ene-7,19-dioic acid 7-methyl ester 19,10-lactone

Guidance literature:: methyl-triphenylphosphonium iodide; With sodium hexamethyldisilazane; In tetrahydrofuran; at -78 - 20 ℃;

ent-2α,3α-epoxy-10β-hydroxy-16-oxo-17,20-dinorgibberellane-7,19-dioic acid 7-methyl ester 19,10-lactone; In tetrahydrofuran; at -78 - 20 ℃; for 3h;
DOI:10.1071/CH10441

Reference yield:

: 16838-18-9
nor-gibberellin ketone

: 55093-68-0
ent-2α,3α-epoxy-10β-hydroxy-20-norgibberell-16-ene-7,19-dioic acid 7-methyl ester 19,10-lactone

Guidance literature:: Multi-step reaction with 2 steps

1.1: Oxone; 1,1,1-trifluoro-2-propanone; edetate disodium; sodium hydrogencarbonate / water; acetonitrile / 16 h / 0 °C

2.1: sodium hexamethyldisilazane / tetrahydrofuran / -78 - 20 °C

2.2: 3 h / -78 - 20 °C

With Oxone; 1,1,1-trifluoro-2-propanone; sodium hexamethyldisilazane; edetate disodium; sodium hydrogencarbonate; In tetrahydrofuran; water; acetonitrile; 2.1: Wittig reaction / 2.2: Wittig reaction;
DOI:10.1071/CH10441