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Correlation of methyl signals in 3β-hydroxyoleanenes

✍ Scribed by Shô Itô; Mitsuaki Kodama; Makoto Sunagawa

Book ID
104241032
Publisher
Elsevier Science
Year
1967
Tongue
French
Weight
261 KB
Volume
8
Category
Article
ISSN
0040-4039

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✦ Synopsis

Altmh

the me-1 region of the RPL epootra of the pent8crclic triterpener h88 not been u8ed for titrnotnr81 8tudle8, a oorrel8tlon of the80 8bn818 with 8fructure, owe l 8tablirhed, would be 8 very o8efnl 8ld to the 8tudy of unknown trlterponoida, beamrue eight met41 group8 , or their blogenetlo equiralentr, 8re loo8t.d throughout the orrbon rkolaton 8nd 8ny 8trPotur81 modificrtlon 8hould c8u8e 8y8terstic ch8nge8 in 80~ of the methyl ohericrl 8hift8, 88 h88 b8en found with the 8terOid8 (1). Although 8er8rml pmpen

(2) attempted to nke thi8 correl8tion in vrriour type of triterpenoids, no di8orimin8tiOn ~88 rohlered betveen the 8lgn818 due to the 23-, 24-8nd 25-methyl grO"P8.

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