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- Title
Isomeric ent-Labdane-Type Diterpenoids from the Stems of Rhizophora mucronata.
- Authors
Madhu, Ankireddy; Suresh Chandra Venkata Appa Rao, Annam; Sushma, Sukki; Mangala Gowri, Ponnapalli; Venugopal Raju, Tuniki
- Abstract
Two new constitutional isomers of ent-labdane-type diterpenoids, 1 and 2, with an unusual seven-membered lactone moiety ( i.e., 1), together with two known compounds, 3 and 4, were isolated from the acetone extract of Rhizophora mucronata. Their structures were elucidated as rhizomucronol A and B ( 1 and 2, resp.) by spectroscopic analyses and chemical evidence. The absolute configuration of 2 was established by applying the Mosher ester procedure.
- Subjects
ISOMERS; LABDANES; DITERPENES; ACETONE; RHIZOPHORA mucronata
- Publication
Helvetica Chimica Acta, 2014, Vol 97, Issue 11, p1531
- ISSN
0018-019X
- Publication type
Article
- DOI
10.1002/hlca.201400022