[EN] METHODS OF SYNTHESIS OF INGENOL AND INTERMEDIATES THEREOF<br/>[FR] PROCÉDÉS DE SYNTHÈSE D'INGÉNOL ET DE SES INTERMÉDIAIRES
申请人:LEO LAB LTD
公开号:WO2014191457A1
公开(公告)日:2014-12-04
The present invention relates generally to methods of synthesis of diterpene heterocylic compounds. More particularly, the present invention relates to efficient methods of synthesis of ingenol (Formula (21), CAS 30220-46-3), from a compound of formula (1). The present invention also provides for various advantageous intermediates along the synthetic route of ingenol. Efficient synthesis of ingenol is important in the design and synthesis of related analogues, such as ingenol-3-angelate.
Ten-Step Asymmetric Total Synthesis of (+)-Pepluanol A
作者:Po Yuan、Christa K. G. Gerlinger、Jan Herberger、Tanja Gaich
DOI:10.1021/jacs.1c05257
日期:2021.8.11
Curtin–Hammett-driven stereoconvergent intramolecularDiels–Alderreaction. A Nozaki–Hiyama–Kishi reaction comprises the connective step, bringing together the seven-membered enone system bearing the dienophile and the diene in the sidechain. Subsequent stereoconvergent IMDA reaction furnishes the carboskeleton of the natural product in only 7 steps. The reactions were carried out on a gram scale up
[EN] METHOD FOR PREPARING INGENOL-3-HEXANOATE, METHOD FOR PREPARING 3-ETHYNYL-3-HYDROXY-4,7,7-TRIMETHYLBICYCLO[4.1.0]HEPTANE-2-CARBALDEHYDE, AND METHOD FOR PREPARING THE COMPOUND 2,2-DIMETHYL-4-ETHYNYL-5-TRIPHENYLPHOSPHORUS ANYLIDENE-1,3-DIOXANE<br/>[FR] PROCÉDÉ DE PRÉPARATION D'INGÉNOL-3-HEXANOATE, PROCÉDÉ DE PRÉPARATION DE 3-ÉTHYNYL-3-HYDROXY-4.7.7-TRIMÉTHYLBICYCLO[4.1.0]HEPTANE-2-CARBALDÉHYDE ET PROCÉDÉ DE PRÉPARATION DU COMPOSÉ 2,2-DIMÉTHYL-4-ÉTHYNYL-5-TRIPHÉNYLPHOSPHORANYLIDÈNE-1,3-DIOXANE<br/>[PT] MÉTODO DE PREPARAÇÃO DE INGENOL-3-HEXANOATO, MÉTODO DE PREPARAÇÃO DE 3-ETINIL-3-HIDROXI-4.7.7-TRIMETILBICICLO[4.1.0]HEPTANO-2-CARBALDEÍDO E MÉTODO DE PREPARAÇÃO DO COMPOSTO 2,2-DIMETIL-4-ETINIL-5-TRIFENILFOSFORANILIDENO-1,3-DIOXANO
申请人:AMAZÔNIA FITOMEDICAMENTOS LTDA
公开号:WO2016191837A1
公开(公告)日:2016-12-08
A presente invenção refere-se a método de preparação de ingenol-3-hexanoato assim como ingenol-3-hexanoato obtido por tal processo.
[EN] METHOD FOR PREPARING INGENOL-5,20-ACETONIDE, METHOD FOR PREPARING 3-ETHYNYL-3-HYDROXY-4,7,7-TRIMETHYLBICYCLO[4.1.0]HEPTANE-2-CARBALDEHYDE, METHOD FOR PREPARING THE COMPOUND 2,2-DIMETHYL-4-ETHYNYL-5-TRIPHENYLPHOSPHORUS ANYLIDENE-1,3-DIOXANE AND INTERMEDIATE COMPOUND<br/>[FR] PROCÉDÉ DE PRÉPARATION D'INGÉNOL-5,20-ACÉTONIDE, PROCÉDÉ DE PRÉPARATION DE 3-ÉTHYNYL-3-HYDROXY-4.7.7-TRIMÉTHYLBICYCLO[4.1.0]HEPTANE-2-CARBALDÉHYDE, PROCÉDÉ DE PRÉPARATION DU COMPOSÉ 2,2-DIMÉTHYL-4-ÉTHYNYL-5-TRIPHÉNYLPHOSPHORANYLIDÈNE-1,3-DIOXANE, ET COMPOSÉ INTERMÉDIAIRE<br/>[PT] MÉTODO DE PREPARAÇÃO DE INGENOL-5,20-ACETONIDA, MÉTODO DE PREPARAÇÃO DE 3-ETINIL-3-HIDROXI-4.7.7-TRIMETILBICICLO[4.1.0] HEPTANO-2-CARBALDEÍDO, MÉTODO DE PREPARAÇÃO DO COMPOSTO 2,2-DIMETIL-4-ETINIL-5 -TRIFENILFOSFORANILIDENO-1,3-DIOXANO E COMPOSTO INTERMEDIÁRIO
申请人:AMAZÔNIA FITOMEDICAMENTOS LTDA
公开号:WO2016191835A1
公开(公告)日:2016-12-08
A presente invenção refere-se a método de preparação de ingenol-5,20- acetonida, assim como ingenol-5,20-acetonida obtida por tal processo. A invenção visa também novos compostos intermediários na preparação de ingenol-5,20- acetonida.