2α,12β-Dihydroxypicrasane-1,11,16-trione

Base Information

Chemical Name:2α,12β-Dihydroxypicrasane-1,11,16-trione
CAS No.:4283-48-1
Molecular Formula:C₂₀H₂₈O₆
Molecular Weight:364.439
Hs Code.:
Mol file:4283-48-1.mol

Synonyms:Phenanthro[10,1-bc]pyran-1,5,11(7H)-trione,2,3,3aa,4,6aa,7ab,8,9,10,11a,11bb,11c-dodecahydro-2a,10b-dihydroxy-3b,8b,11aa,11ca-tetramethyl- (8CI);Shinjulactone H

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

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Chemical Property of 2α,12β-Dihydroxypicrasane-1,11,16-trione

Chemical Property:

PSA：100.90000
LogP:1.11630

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

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Technology Process of 2α,12β-Dihydroxypicrasane-1,11,16-trione

There total 5 articles about 2α,12β-Dihydroxypicrasane-1,11,16-trione 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: 52.0%

: 139346-55-7
1β-Hydroxy-12β-methoxypicrasane-2,11,16-trione

: 4283-48-1
shinjulactone H

Guidance literature:: With 15-crown-5; boron tribromide; sodium iodide; In dichloromethane; at 25 ℃; for 16h;
DOI:10.1021/jo00034a008

Reference yield:

: 139276-58-7
Isopicrasin B

: 4283-48-1
shinjulactone H

Guidance literature:: Multi-step reaction with 2 steps

1: 42 percent / hydrogen / PtO₂ / methanol / 2.5 h / 25 °C / 3102.9 Torr

2: 52 percent / BBr₃, 15-crown-5, NaI / CH₂Cl₂ / 16 h / 25 °C

With 15-crown-5; hydrogen; boron tribromide; sodium iodide; platinum(IV) oxide; In methanol; dichloromethane;
DOI:10.1021/jo00034a008

Reference yield:

: 139276-57-6
2,12-Dimethoxy-1β-hydroxy-2,12-picradiene-11,16-dione 16-ethylene acetal

: 4283-48-1
shinjulactone H

Guidance literature:: Multi-step reaction with 3 steps

1: 94 percent / pyridine p-toluenesulfonate / acetone; H₂O / 3 h / Heating

2: 42 percent / hydrogen / PtO₂ / methanol / 2.5 h / 25 °C / 3102.9 Torr

3: 52 percent / BBr₃, 15-crown-5, NaI / CH₂Cl₂ / 16 h / 25 °C

With 15-crown-5; hydrogen; pyridinium p-toluenesulfonate; boron tribromide; sodium iodide; platinum(IV) oxide; In methanol; dichloromethane; water; acetone;
DOI:10.1021/jo00034a008