Isomeric ent-Labdane-Type Diterpenoids from the Stems of Rhizophora mucronata

被引:3
作者
Madhu, Ankireddy [1 ]
Rao, Annam Suresh Chandra Venkata Appa [1 ]
Sushma, Sukki [1 ]
Gowri, Ponnapalli Mangala [1 ]
Raju, Tuniki Venugopal [2 ]
机构
[1] Indian Inst Chem Technol, Nat Prod Chem Div, Hyderabad 500607, Andhra Pradesh, India
[2] Indian Inst Chem Technol, NMR Div, Hyderabad 500607, Andhra Pradesh, India
关键词
CHEMICAL-CONSTITUENTS; BEYERANE;
D O I
10.1002/hlca.201400022
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
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.
引用
收藏
页码:1531 / 1538
页数:8
相关论文
共 17 条
[1]   New beyerane and isopimarane diterpenoids from Rhizophora mucronata [J].
Anjaneyulu, ASR ;
Anjaneyulu, V ;
Rao, VL .
JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH, 2002, 4 (01) :53-61
[2]   Chemical constituents of Indian mangrove plants part III -: Rhizophorin A, a novel secolabdane diterpenoid from the Indian mangrove plant Rhizophora mucronata [J].
Anjaneyulu, ASR ;
Rao, VL .
NATURAL PRODUCT LETTERS, 2001, 15 (01) :13-19
[3]  
Anjaneyulu ASR, 2000, INDIAN J CHEM B, V39, P803
[4]   Chemical constituents of Indian mangrove plants part 1 -: Five diterpenoids (agallochins A-E) from the mangrove plant Excoecaria agallocha Linn [J].
Anjaneyulu, ASR ;
Rao, VL .
PHYTOCHEMISTRY, 2000, 55 (08) :891-901
[5]  
[Anonymous], 1972, WEALTH INDIA RAW MAT, P8
[6]  
Bandaranayake E.M., 1998, MANGROVES SALT MARSH, V2, P133
[7]  
Bao-Ning S., 2002, J NAT PRODUCTS, V65, P1278
[8]   DITERPENOIDS OF ARAUCARIACEAE .4. NEW LABDANE DITERPENES FROM ARAUCARIA-COOKI [J].
CAPUTO, R ;
MANGONI, L ;
MONACO, P ;
PREVITERA, L .
PHYTOCHEMISTRY, 1974, 13 (02) :471-474
[9]   A NOVEL PHORBOL ESTER FROM EXCOECARIA-AGALLOCHA [J].
ERICKSON, KL ;
BEUTLER, JA ;
CARDELLINA, JH ;
MCMAHON, JB ;
NEWMAN, DJ ;
BOYD, MR .
JOURNAL OF NATURAL PRODUCTS-LLOYDIA, 1995, 58 (05) :769-772
[10]   TERPENIC COMPONENTS OF SPANISH LABIATAE .19. DITERPENOIDS FROM SIDERITIS-VAROI SUBSPECIES CUATRECASASII - C-13 NMR OF ENT-13-EPI-MANOYL OXIDES FUNCTIONALIZED AT C-12 [J].
GARCIAGRANADOS, A ;
MARTINEZ, A ;
MOLINA, A ;
ONORATO, ME ;
RICO, M ;
DEBURUAGA, AS ;
DEBURUAGA, JMS .
PHYTOCHEMISTRY, 1985, 24 (08) :1789-1792