CAS: 465-99-6; Hederagenin

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Hederagenin-Methylester-3-Acetat置于lithium Bromide体系中,用 N,N-二甲基甲酰胺 作为反应溶剂,化学反应 48.0H,以90%的收率获得产物常春藤皂苷元
参考文献:Remote Hydroxylation Of Methyl Groups By Regioselective Cyclopalladation. Partial Synthesis Of Hyptatic Acid-A
标题:Remote Hydroxylation Of Methyl Groups By Regioselective Cyclopalladation. Partial Synthesis Of Hyptatic Acid-A
摘要:Hyptatic Acid-A (32),A 2 Alpha,3 Beta,24-Trihydroxyolean-12-En-28-Oic Acid,Previously Isolated From Hyptis Capitata,Was Obtained From Maslinic Acid (2). The Regioselective Cyclopalladation Of The Axial Methyl Group On C-4 Of Maslinic Acid Afforded The C-24 Hydroxymethylene Group Due To The Presence Of A C-2-Or Substituent. Nevertheless,Hederagenin (7) (23-Hydroxy Derivative) Was Formed When This Oxygenated Group Was Not Present.
DOI:10.1021/jo070116E

专利信息

专利号:US-2022162188-A1
优先权日:2019-01-15
标 题:Isoprenoids and methods of making thereof
发明人：WILLIAMS GAVIN; LUND SEAN; HALL RACHAEL
权利人:UNIV NORTH CAROLINA STATE
摘要:Disclosed are methods for preparing isoprenoid subunits, as well as methods of employing these isoprenoid subunits for the synthesis of isoprenoids. Also provided are isoprenoids prepared using the methods described herein.

专利号:US-12187755-B2
优先权日:2014-05-30
标题 :Minimal saponin analogues, synthesis and use thereof
发明人：GIN DAVID Y; CHEA ERIC K; FERNANDEZ-TEJADA ALBERTO; TAN DEREK S; LEWIS JASON S; GARDNER JEFFREY R; PILLARSETTY NAGAVARAKISHORE
权利人:MEMORIAL SLOAN KETTERING CANCER CENTER
摘要:Truncated triterpene saponin analogues containing a trisaccharide or tetrasaccharide ester are disclosed. Also disclosed are pharmaceutical compositions comprising truncated saponin analogues and synthetic methods of producing the truncated saponin analogues. Another aspect of the present application relates to a method for immunizing a subject, comprising administering to the subject the pharmaceutical composition comprising a minimal saponin analogue and an antigen.

专利号:CN-116445442-A
优先权日:2023-01-07
标题:UDP-glycosyltransferase and application thereof in synthesis of alpha-hederacoside glycoside compound