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Diterpenoids from barks of Ceriops decandra

十雄角果木树皮的二萜类化学成分研究



全 文 :中草药 Chinese Traditional and Herbal Drugs 第 44 卷 第 5 期 2013 年 3 月

• 532 •
十雄角果木树皮的二萜类化学成分研究
王 慧 1, 3, 4,吴 军 2*
1. 中国科学院南海海洋研究所 海洋生物资源可持续利用中国科学院重点实验室,广东 广州 510301
2. 暨南大学药学院 海洋药物研究中心,广东 广州 510632
3. 三峡大学 天然产物研究与利用湖北省重点实验室,湖北 宜昌 443002
4. 中国科学院大学,北京 100049
摘 要:目的 研究角果木属植物十雄角果木 Ceriops decandra 树皮的二萜类化学成分。方法 采用正反相硅胶色谱、高效
液相色谱技术进行分离纯化,根据理化性质和波谱数据鉴定化合物的结构。结果 从十雄角果木树皮的 95%乙醇提取物中
分离得到 13 个二萜类化合物,分别鉴定为 7, 13-松香二烯-3β-醇(1)、18-羟基-8, 11, 13-松香三烯-7-酮(2)、8, 11, 13-松香
三烯-3, 7-二酮(3)、3β-羟基-8, 11, 13-松香三烯-7-酮(4)、15, 18-二羟基-8, 11, 13-松香三烯-7-酮(5)、8, 11, 13-松香三烯-7β,
18-二醇(6)、8, 11, 13-松香三烯-3β, 18-二醇(7)、8, 11, 13-松香三烯-7α, 18-二醇(8)、13β-羟基-8(14)-松香烯-3, 7-二酮 (9)、
13β, 18-二羟基-8(14)-松香烯-7-酮(10)、ent-8(17), 13E-半日花二烯-15-醇(11)、ent-8(14)-海松烯-15R, 16-二醇(12)、(5S*, 8S*,
9S*, 10R*, 13S*)-3-hydroxy-16-nor-2-oxodolar-3-ene-15-oic acid(13)。结论 所有化合物均首次从该植物中分离得到。
关键词:十雄角果木;二萜类;7, 13-松香二烯-3β-醇;15, 18-二羟基-8, 11, 13-松香三烯-7-酮;ent-8(14)-海松烯-15R, 16-二醇
中图分类号:R284.1 文献标志码:A 文章编号:0253 - 2670(2013)05 - 0532 - 05
DOI: 10.7501/j.issn.0253-2670.2013.05.006
Diterpenoids from barks of Ceriops decandra
WANG Hui1, 3, 4, WU Jun2
1. Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy
of Sciences, Guangzhou 510301, China
2. Marine Drugs Research Center, College of Pharmacy, Jinan University, Guangzhou 510632, China
3. Hubei Key Laboratory of Natural Products Research and Development, China Three Gorges University, Yichang 443002, China
4. University of Chinese Academy of Sciences, Beijing 100049, China
Abstract: Objective To investigate the chemical constituents from the barks of Ceriops decandra. Methods Various chromato-
graphic techniques, including silica gel column chromatography and HPLC, were used. The structures of the compounds were
identified by means of spectroscopic and chemical data. Results Thirteen diterpenoids were identified as 7, 13-abietadien-3β-ol (1),
7-oxodehydro-abietinol (2), margocin (3), 3β-hydroxy-abieta-8, 11, 13-trien-7-one (4), 15, 18-dihydroxyabieta-8, 11, 13-trien-7-one
(5), 7β, 18-dihydroxy-dehydroabietanol (6), 4-epi-triptobezene L (7), 7α, 18-dihydroxydehydroabietanol (8), sabiperone E (9), 13β,
18-dihydroxy-abiet-8(14)-ene-7-one (10), ent-labd-8(17), 13E-dien-15-ol (11), ent-8(14)-pimarene-15R, 16-diol (12), and (5S*, 8S*,
9S*, 10R*, 13S*)-3-hydroxy-16-nor-2-oxodolar-3-ene-15-oic acid (13), respectively. Conclusion All the compounds are obtained
from this plant for the first time.
Key words: Ceriops decandra (Griff.) Ding Hou; diterpenoids; 7, 13-abietadien-3β-ol; 15, 18-dihydroxyabieta-8, 11, 13-trien-7-one; ent-
8(14)-pimarene-15R, 16-diol

角果木属 Ceriops Arn. 植物为生长在热带、亚
热带海岸潮间带的红树科(Rhizophoraceae)真红树
植物。该属植物全球有 5 个种:角果木 Ceriops tagal
(Perr.) C. B. Robinson、十雄角果木 C. decandra
(Griff.) Ding Hou、澳洲角果木 C. australis (White)
Ballment, Smith & Stoddart、C. zippeliana Blume 和

收稿日期:2012-10-09
基金项目:广东省重大科技专项“珍稀红树植物及其内生真菌来源的靶向性天然化合物库的构建与创新药物研发”(2011A080403020,2012-2014)
作者简介:王 慧(1981—),女,博士研究生,研究方向为海洋天然产物化学。E-mail: alice0507@yeah.net
*通信作者 吴 军,教授,博士生导师,国家杰出青年基金获得者。E-mail: wwujun68@163.com
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C. pseudodecandra sp. nov. Sheue, Liu, Tsai & Yang。角
果木和十雄角果木广泛分布于非洲、马达加斯加、亚
洲南部和南太平洋岛屿的海岸上;澳洲角果木为澳大
利亚沿海区域所特有的一个物种;C. zippeliana 分布
于亚洲西南部地区,而 C. pseudodecandra 主要分布于
澳大利亚、新几内亚和斯兰岛[1-4]。该属植物在我国仅
有一个物种,即角果木,仅分布于海南省[5-6]。在我国
角果木的叶子煎熬后用于治疗疟疾[5-6];在印度十雄
角果木作为一种民间草药用于治疗腹泻、阿米巴病、
出血和恶性溃疡[7]。药理实验表明,十雄角果木的叶
子和呼吸根的醇提物在口服剂量为 250 mg/kg 和 500
mg/kg 时,对小鼠表现出很强的体内抗炎活性[8]。据
报道,从十雄角果木的根和树叶中分离鉴定了 28 个
化合物,包括 12 个二萜类化合物[9-11,13](5 个贝壳杉
烷,4 个贝叶烷和 3 个海松烷)和 16 个羽扇豆烷型
三萜化合物[12-13]。为了深入研究十雄角果木的化学
成分,本实验首次对该植物树皮 95%乙醇提取物的
化学成分进行了研究,共分离得到了 13 个二萜类化
合物(包括 10 个松香烷、1 个半日花烷、1 个海松
烷和 1 个 dolabrane 型二萜),分别鉴定为 7, 13-松
香二烯-3β-醇(7, 13-abietadien-3β-ol,1)、18-羟基-
8, 11, 13-松香三烯-7-酮(7-oxodehydro-abietinol,2)、
8, 11, 13-松香三烯-3, 7-二酮(margocin,3)、3β-羟
基-8, 11, 13-松香三烯-7-酮(3β-hydroxyabieta-8, 11,
13-trien-7-one,4)、15, 18-二羟基-8, 11, 13-松香三
烯-7-酮(15, 18-dihydroxyabieta-8, 11, 13-trien-7-one,
5)、8, 11, 13-松香三烯 -7β, 18-二醇(7β, 18-
dihydroxydehydro-abietanol,6)、8, 11, 13-松香三烯-
3β, 18-二醇(4-epi-triptobezene L,7)、8, 11, 13-松
香三烯 -7α, 18-二醇( 7α, 18-dihydroxy-dehydro-
abietanol,8)、13β-羟基-8(14)-松香烯-3, 7-二酮
(sabiperone E,9)、13β, 18-二羟基-8(14)-松香烯-7-
酮 [13β, 18-dihydroxyabiet-8(14)-ene-7-one,10]、
ent-8(17), 13E-半日花二烯 -15-醇 [ent-labd-8(17),
13E-dien-15-ol,11]、ent-8(14)-海松烯-15R, 16-
二醇 [ent-8(14)-pimarene-15R, 16-diol,12]、
(5S*, 8S*, 9S*, 10R*, 13S*)-3-hydroxy-16-nor-2-
oxodolar-3-ene-15-oic acid(13)。
1 仪器与材料
Bruker AV—400 核磁共振仪,Bruker AV—500
核磁共振仪(瑞士 Bruker 公司);Waters 600 高效
液相色谱仪,2996 检测器,Empower 色谱工作站;
AB API2000 液质联用仪;薄层硅胶 GF254 和柱色
谱硅胶(100~200 目)为青岛海洋化工厂产品;ODS
反相硅胶为日本 YMC 公司产品;高效液相色谱所
用试剂为色谱纯,其余均为分析纯。
实验材料于 2009 年采集于印度 Godavari 河口红
树 林 湿 地 , 并 经 印 度 红 树 分 类 学 家 Prof.
Satyanandamurty T 鉴定为十雄角果木 Ceriops
decandra (Griff.) Ding Hou 的树皮。植物标本
(CD-001)存放于暨南大学药学院海洋药物研究中心。
2 提取与分离
干燥十雄角果木树皮 7.4 kg 粉碎后,用 95%乙
醇浸提 5 次,每次 48 h。提取液合并后减压蒸干。
提取物经水混悬后,分别用醋酸乙酯、正丁醇萃取
3 次。取醋酸乙酯部位浸膏加水混悬,氯仿萃取得
到氯仿萃取部位浸膏(65.2 g)。该部位浸膏经正相
硅胶柱色谱分离,石油醚-丙酮系统(100∶0→1∶2)
梯度洗脱得到 285 个流分。其中流分 66~68 合并,
经高效液相色谱(YMC-Pack ODS-5-A,250 mm×
10 mm,5 μm)分离,乙腈-水系统(60∶40→60∶
40)洗脱得到化合物 1(12.5 mg)。流分 78~113
合并,经过反相硅胶柱色谱分离,丙酮-水系统(30∶
70→100∶0)梯度洗脱得到 190 个流分,其中流分
49~66 合并经高效液相色谱(YMC-Pack ODS-5-A,
250 mm×4.6 mm,5 μm)制备,甲醇-水系统(55∶
45)洗脱得到化合物 3(16.5 mg)、11(1.3 mg)。
流分 131~146 合并,经过反相硅胶柱色谱分离,丙
酮-水系统(50∶50→100∶0)梯度洗脱得到 67 个
流分,其中流分 15~17 合并经高效液相色谱
(YMC-Pack ODS-5-A,250 mm×4.6 mm,5 μm)
制备,甲醇-水系统(65∶35)洗脱得到化合物 4(9.8
mg);流分 18~19 合并,经高效液相色谱(YMC-
Pack ODS-5-A,250 mm×4.6 mm,5 μm)制备,乙
腈-水系统(55∶45)洗脱得到化合物 2(5.6 mg);
流分 23 经过重结晶得到化合物 12(17.6 mg)。流
分 173~204 合并经反相硅胶柱色谱分离,丙酮-水
系统(30∶70→100∶0)梯度洗脱得到 61 个流分,
其中流分 15~20 合并经高效液相色谱(YMC-Pack
ODS-5-A,250 mm×4.6 mm,5 μm)制备,乙腈-
水系统(55∶45)洗脱得到化合物 5(8.9 mg)、6
(4.0 mg)、7(12.6 mg)、8(3.9 mg)、9(9.2 mg)、
10(10.7 mg)、13(4.0 mg)。
3 结构鉴定
化合物 1:无色固体(氯仿),分子式为 C20H32O。
ESI-MS m/z: 289 [M+H]+。1H-NMR (500 MHz,
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CDCl3) δ: 5.79 (1H, s, H-14), 5.43 (1H, t, J = 2.5 Hz,
H-7), 3.26 (1H, dd, J = 11.5, 4.5 Hz, H-3α), 1.01 (6H,
d, J = 7.0 Hz, 16, 17-CH3), 0.98 (3H, s, 20-CH3), 0.89
(3H, s, 18-CH3), 0.79 (3H, s, 19-CH3);13C-NMR (125
MHz, CDCl3) δ: 145.4 (C-13), 135.3 (C-8), 122.3
(C-14), 121.2 (C-7), 79.2 (C-3), 50.9 (C-9), 49.8
(C-5), 38.8 (C-4), 37.4 (C-1), 34.9 (C-15), 34.8
(C-10), 28.0 (C-18), 27.5 (C-2), 27.5 (C-12), 23.7
(C-6), 22.7 (C-11), 21.4 (C-17), 20.9 (C-16), 15.2
(C-19), 13.7 (C-20)。以上数据与文献报道一致[14],
故鉴定化合物 1 为 7, 13-松香二烯-3β-醇。
化合物 2:无色固体(氯仿),分子式为
C20H28O2,ESI-MS m/z: 301 [M+H]+。1H-NMR (400
MHz, CDCl3) δ: 7.82 (1H, d, J = 2.1 Hz, H-14), 7.37
(1H, dd, J = 8.2, 2.1 Hz, H-12), 7.27 (1H, d, J = 8.2
Hz, H-11), 3.44 (1H, d, J = 11.0 Hz, H-18), 3.14 (1H,
d, J = 11.0 Hz, H-18), 1.25 (3H, s, 20-CH3), 1.23 (3H,
d, J = 6.8 Hz, 17-CH3), 1.21 (3H, d, J = 6.8 Hz,
16-CH3), 0.93 (3H, s, 19-CH3);13C-NMR (100 MHz,
CDCl3) δ: 199.7 (C-7), 153.7 (C-9), 146.6 (C-13),
132.4 (C-12), 130.7 (C-8), 124.9 (C-14), 123.6 (C-11),
70.8 (C-18), 42.5 (C-5), 37.7 (C-4), 37.5 (C-1), 37.5
(C-10), 35.9 (C-6), 34.7 (C-3), 33.5 (C-15), 23.8
(C-17), 23.8 (C-16), 23.7 (C-20), 18.2 (C-2), 17.2
(C-19)。以上数据与文献报道一致[15],故鉴定化合
物 2 为 18-羟基-8, 11, 13-松香三烯-7-酮。
化合物 3:无色固体(氯仿),分子式为
C20H26O2。ESI-MS m/z: 299 [M+H]+。1H-NMR (400
MHz, CDCl3) δ: 7.87 (1H, d, J = 2.0 Hz, H-14), 7.39
(1H, dd, J = 8.2, 2.0 Hz, H-12), 7.24 (1H, d, J = 8.2
Hz, H-11), 1.41 (3H, s, 20-CH3), 1.22 (6H, d, J = 6.8
Hz, 16, 17-CH3), 1.18 (3H, s, 18-CH3), 1.11 (3H, s,
19-CH3);13C-NMR (100 MHz, CDCl3) δ: 214.4 (C-3),
198.3 (C-7), 151.1 (C-9), 147.5 (C-13), 132.8 (C-12),
130.4 (C-8), 125.1 (C-14), 124.2 (C-11), 49.4 (C-5),
47.3 (C-4), 37.4 (C-10), 36.9 (C-1), 36.4 (C-6), 34.6
(C-2), 33.6 (C-15), 25.0 (C-18), 23.7 (C-16), 23.7
(C-17), 22.7 (C-20), 21.4 (C-19)。以上数据与文献报
道一致[16],故鉴定化合物 3 为 8, 11, 13-松香三烯- 3,
7-二酮。
化合物 4:无色固体(氯仿),分子式为
C20H28O2。ESI-MS m/z: 301 [M+H]+。1H-NMR (400
MHz, CDCl3) δ: 7.87 (1H, d, J = 2.0 Hz, H-14), 7.40
(1H, dd, J = 8.0, 2.0 Hz, H-12), 7.27 (1H, d, J = 8.0
Hz, H-11), 3.35 (1H, dd, J = 11.5, 4.5 Hz, H-3α), 2.93
(1H, m, H-15), 1.26 (3H, d, J = 6.8 Hz, 17-CH3), 1.24
(3H, d, J = 6.8 Hz, 16-CH3), 1.24 (3H, s, 20-CH3),
1.05 (3H, s, 18-CH3), 0.98 (3H, s, 19-CH3);13C-NMR
(100 MHz, CDCl3) δ: 199.4 (C-7), 152.9 (C-9), 147.0
(C-13), 132.6 (C-12), 130.5 (C-8), 124.9 (C-14), 123.8
(C-11), 78.1 (C-3), 48.6 (C-5), 38.9 (C-4), 37.6
(C-10), 36.2 (C-1), 35.9 (C-6), 33.6 (C-15), 27.6
(C-2), 27.5 (C-18), 23.8 (C-16), 23.7 (C-17), 23.4 (C-
20), 14.9 (C-19)。以上数据与文献报道一致[17],故
鉴定化合物 4 为 3β-羟基-8, 11, 13-松香三烯-7-酮。
化合物 5:无色固体(氯仿),分子式为
C20H28O3。ESI-MS m/z: 317 [M+H]+。1H-NMR (400
MHz, CDCl3) δ: 8.04 (1H, d, J = 2.2 Hz, H-14), 7.72
(1H, dd, J = 8.3, 2.2 Hz, H-12), 7.37 (1H, d, J = 8.3
Hz, H-11), 3.46 (1H, d, J = 10.9 Hz, H-18), 3.19 (1H,
d, J = 10.9 Hz, H-18), 1.59 (3H, s, 17-CH3), 1.58 (3H,
s, 16-CH3), 1.28 (3H, s, 20-CH3), 0.96 (3H, s,
19-CH3);13C-NMR (100 MHz, CDCl3) δ: 199.4 (C-7),
154.5 (C-9), 147.1 (C-13), 130.6 (C-8), 130.5 (C-12),
123.8 (C-11), 123.0 (C-14), 72.3 (C-15), 71.0 (C-18),
42.5 (C-5), 37.8 (C-4), 37.6 (C-10), 37.5 (C-1), 36.0
(C-6), 34.8 (C-3), 31.7 (C-16), 31.6 (C-17), 23.9
(C-20), 18.2 (C-2), 17.3 (C-19)。以上数据与文献报道
一致[18],故鉴定化合物 5 为 15, 18-二羟基-8, 11, 13-
松香三烯-7-酮。
化合物 6:无色固体(氯仿),分子式为
C20H30O2。ESI-MS m/z: 303 [M+H]+。1H-NMR (400
MHz, CDCl3) δ: 7.38 (1H, brs, H-14), 7.18 (1H, d, J =
8.0 Hz, H-11), 7.09 (1H, dd, J = 8.0, 2.0 Hz, H-12),
4.85 (1H, t, J = 9.6 Hz, H-7α), 3.49 (1H, d, J = 10.8
Hz, H-18), 3.22 (1H, d, J = 10.8 Hz, H-18), 1.29 (3H,
s, 20-CH3), 1.23 (6H, d, J = 6.8 Hz, 16, 17-CH3), 0.89
(3H, s, 19-CH3);13C-NMR (100 MHz, CDCl3) δ:
147.2 (C-9), 146.4 (C-13), 137.7 (C-8), 125.8 (C-12),
125.1 (C-14), 124.4 (C-11), 71.8 (C-18), 71.0 (C-7),
42.5 (C-5), 38.4 (C-1), 38.1 (C-10), 37.5 (C-4), 34.8
(C-3), 33.7 (C-15), 30.0 (C-6), 25.8 (C-20), 24.1
(C-16), 23.9 (C-17), 18.5 (C-2), 17.5 (C-19)。以上数
据与文献报道一致[19],故鉴定化合物 6 为 8, 11, 13-
松香三烯-7β, 18-二醇。
化合物 7:无色固体(氯仿),分子式为
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C20H30O2。ESI-MS m/z: 325 [M+Na]+。1H-NMR (400
MHz, CDCl3) δ: 7.16 (1H, d, J = 8.4 Hz, H-11), 6.99
(1H, dd, J = 8.4, 2.0 Hz, H-12), 6.89 (1H, brs, H-14),
3.83 (1H, d, J = 10.4 Hz, H-18), 3.71 (1H, t, J = 7.4
Hz, H-3α), 3.49 (1H, d, J = 10.4 Hz, H-18), 1.22 (6H,
d, J = 6.8 Hz, 16, 17-CH3), 1.21 (3H, s, 20-CH3), 1.02
(3H, s, 19-CH3);13C-NMR (100 MHz, CDCl3) δ:
146.5 (C-13), 145.9 (C-9), 134.5 (C-8), 126.8 (C-14),
124.3 (C-11), 124.0 (C-12), 77.0 (C-3), 72.3 (C-18),
44.6 (C-5), 42.1 (C-4), 37.2 (C-10), 36.7 (C-1), 33.5
(C-15), 30.4 (C-7), 27.6 (C-2), 25.2 (C-20), 24.0
(C-16), 24.0 (C-17), 19.1 (C-6), 11.1 (C-19)。以上数
据与文献报道一致[20],故鉴定化合物 7 为 8, 11, 13-
松香三烯-3β, 18-二醇。
化合物 8:无色固体(氯仿),分子式为
C20H30O2。ESI-MS m/z: 325 [M+Na]+。1H-NMR (400
MHz, CDCl3) δ: 7.22 (1H, d, J = 8.0 Hz, H-11), 7.15
(1H, s, H-14), 7.13 (1H, d, J = 8.0 Hz, H-12), 4.81
(1H, t, J = 2.7 Hz, H-7β), 3.60 (1H, d, J = 11.4 Hz,
H-18), 3.05 (1H, d, J = 11.4 Hz, H-18), 1.24 (6H, d,
J = 6.8 Hz, 16, 17-CH3), 1.17 (3H, s, 20-CH3), 0.82
(3H, s, 19-CH3);13C-NMR (100 MHz, CDCl3) δ:
147.5 (C-9), 146.6 (C-13), 136.0 (C-8), 127.7 (C-14),
126.8 (C-12), 124.9 (C-11), 71.0 (C-18), 68.8 (C-7),
38.4 (C-1), 37.9 (C-10), 37.5 (C-5), 37.3 (C-4), 34.7
(C-3), 33.6 (C-15), 27.6 (C-6), 24.1 (C-16), 24.1 (C-20),
23.9 (C-17), 18.8 (C-2), 17.7 (C-19)。以上数据与文献
报道一致[21],故鉴定化合物 8 为 8, 11, 13-松香三烯-
7α, 18-二醇。
化合物 9:无色固体(氯仿),分子式为
C20H30O3。ESI-MS m/z: 357 [M+K]+。1H-NMR (400
MHz, CDCl3) δ: 6.80 (1H, t, J = 2.2 Hz, H-14), 2.78
(1H, m, H-2b), 2.52 (2H, m, H-6), 2.34 (1H, m, H-2a),
2.17 (1H, m, H-1b), 2.01 (1H, m, H-9), 1.94 (1H, m,
H-5), 1.82 (1H, m, H-15), 1.75 (1H, m, H-12b), 1.73
(1H, m, H-11b), 1.59 (1H, m, H-1a), 1.56 (1H, m,
H-11a), 1.50 (1H, m, H-12a), 1.13 (3H, s, 19-CH3),
1.10 (3H, s, 20-CH3), 1.07 (3H, s, 18-CH3), 0.97 (3H,
d, J = 6.8 Hz, 17-CH3), 0.87 (3H, d, J = 6.8 Hz,
16-CH3);13C-NMR (100 MHz, CDCl3) δ: 214.9 (C-3),
199.1 (C-7), 140.9 (C-14), 137.5 (C-8), 71.8 (C-13),
50.5 (C-9), 50.5 (C-5), 47.4 (C-4), 37.9 (C-15), 37.6
(C-6), 37.2 (C-1), 35.8 (C-10), 34.3 (C-2), 29.4
(C-12), 24.4 (C-18), 21.5 (C-19), 18.9 (C-11), 17.4
(C-16), 16.1 (C-17), 13.9 (C-20)。以上数据与文献报
道一致[22],故鉴定化合物 9 为 13β-羟基-8(14)-松香
烯-3, 7-二酮。
化合物 10:无色固体(氯仿),分子式为
C20H32O3。ESI-MS m/z: 321 [M+H]+。1H-NMR (400
MHz, CDCl3) δ: 6.73 (1H, t, J = 2.3 Hz, H-14), 3.37
(1H, d, J = 10.9 Hz, H-18), 3.11 (1H, d, J = 10.9 Hz,
H-18), 2.52 (1H, dd, J = 18.6, 5.1 Hz, H-6), 2.32 (1H,
dd, J = 18.6, 13.5 Hz, H-6), 0.96 (3H, d, J = 6.8 Hz,
17-CH3), 0.87 (3H, s, 20-CH3), 0.86 (3H, d, J = 6.8
Hz, 16-CH3), 0.85 (3H, s, 19-CH3);13C-NMR (100
MHz, CDCl3) δ: 200.4 (C-7), 139.8 (C-14), 138.7
(C-8), 71.9 (C-13), 70.9 (C-18), 51.6 (C-9), 42.6
(C-5), 38.5 (C-1), 37.8 (C-15), 37.7 (C-4), 37.1 (C-6),
35.7 (C-10), 35.2 (C-3), 29.6 (C-12), 18.5 (C-2), 18.0
(C-11), 17.4 (C-19), 17.2 (C-16), 16.2 (C-17), 14.7
(C-20)。以上数据与文献报道一致[23],故鉴定化合
物 10 为 13β, 18-二羟基-8(14)-松香烯-7-酮。
化合物 11:无色固体(氯仿),分子式为
C20H34O。ESI-MS m/z: 329 [M+K]+。1H-NMR (400
MHz, CDCl3) δ: 5.35 (1H, t, J =7.0 Hz, H-14), 4.83
(1H, s, H-17), 4.51 (1H, s, H-17), 4.15 (2H, d, J = 6.9
Hz, H-15), 1.68 (3H, s, 16-CH3), 0.89 (3H, s, 18-CH3),
0.80 (3H, s, 19-CH3), 0.68 (3H, s, 20-CH3);13C-NMR
(100 MHz, CDCl3) δ: 148.7 (C-8), 140.7 (C-13), 123.0
(C-14), 106.2 (C-17), 59.5 (C-15), 56.3 (C-5), 55.6
(C-9), 42.2 (C-3), 39.7 (C-10), 39.1 (C-1), 38.4 (C-7),
38.4 (C-12), 33.6 (C-4), 33.6 (C-18), 24.5 (C-6), 21.8
(C-11), 21.7 (C-19), 19.4 (C-2), 16.4 (C-16), 14.5
(C-20)。以上数据与文献报道一致[24],故鉴定化合
物 11 为 ent-8(17), 13E-半日花二烯-15-醇。
化合物 12:无色固体(氯仿),分子式为
C20H34O2。ESI-MS m/z: 329 [M+Na]+。1H-NMR (400
MHz, CDCl3) δ: 5.26 (1H, brs, H-14), 3.70 (1H, dd,
J = 9.5, 2.3 Hz, H-16), 3.60 (1H, dd, J = 9.0, 2.0 Hz,
H-15), 3.52 (1H, d, J = 9.5 Hz, H-16), 0.90 (3H, s,
17-CH3), 0.88 (3H, s, 18-CH3), 0.84 (3H, s, 19-CH3),
0.77 (3H, s, 20-CH3);13C-NMR (100 MHz, CDCl3) δ:
140.2 (C-8), 126.9 (C-14), 78.1 (C-15), 63.8 (C-16),
54.6 (C-5), 50.4 (C-9), 42.1 (C-3), 39.3 (C-1), 38.5
(C-10), 37.2 (C-13), 36.4 (C-7), 33.8 (C-18), 33.5
(C-4), 32.5 (C-12), 23.8 (C-17), 22.7 (C-6), 22.1
中草药 Chinese Traditional and Herbal Drugs 第 44 卷 第 5 期 2013 年 3 月

• 536 •
(C-19), 18.7 (C-2), 18.6 (C-11), 15.2 (C-20)。以上数
据与文献报道一致[25],故鉴定化合物 12 为 ent-
8(14)-海松烯-15R, 16-二醇。
化合物 13:无色固体(氯仿),分子式为
C19H28O4。ESI-MS m/z: 321 [M+H]+。1H-NMR (400
MHz, CDCl3) δ: 2.84 (1H, dd, J = 18.7, 6.5 Hz, H-1),
2.71 (1H, dd, J = 18.7, 6.5 Hz, H-1), 2.16 (1H, m,
H-6), 1.92 (1H, dd, J = 14.2, 4.4 Hz, H-6), 1.87 (3H, s,
18-CH3), 1.27 (3H, s, 17-CH3), 1.24 (3H, s, 19-CH3),
0.64 (3H, s, 20-CH3);13C-NMR (100 MHz, CDCl3) δ:
192.9 (C-2), 183.7 (C-15), 144.6 (C-3), 135.5 (C-4),
54.3 (C-10), 41.5 (C-13), 41.1 (C-8), 39.0 (C-5), 37.8
(C-1), 37.8 (C-9), 35.7 (C-6), 33.6 (C-11), 33.2
(C-14), 31.7 (C-19), 28.5 (C-12), 26.5 (C-7), 21.2 (C-
17), 13.6 (C-20), 11.6 (C-18)。以上数据与文献报道
一致[26-27],故鉴定化合物 13 为 (5S*, 8S*, 9S*, 10R*,
13S*)-3-hydroxy-16-nor-2-oxodolar-3-ene-15-oic acid。
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