1) dihydroagarofuran
二氢沉香呋喃
1.
Their structrues were determined as dulcitol (Ⅰ),1α,2α,4β,6β,8α,9α,13-heptahydroxy-β-dihydroagarofuran(Ⅱ);β-sitosterol(Ⅲ);9β-benzoxy-1α,8β.
采用 5种溶剂对苦皮藤假种皮进行了系统提取 ,在灵敏的活性追踪指导下 ,分别从苦皮藤假种皮体积分数 2 5 %和 5 0 %的乙醇提取物中分离、鉴定了 4个化合物 :卫矛醇 (化合物 )、1α,2 α,4β,6 β,8α,9β,13-七羟基 -二氢沉香呋喃 (化合物 )、9β-苯甲酰氧基 - 1α,8β,13-三乙酰氧基 -二氢沉香呋喃 (化合物 )、β-谷甾醇 (化合物 ) ;其中化合物 有杀菌活性 ,化合物 有杀虫活性 ,化合物 为在苦皮藤中首次分离鉴定。
2.
To further veritify the insecticidal activity of Dihydroagarofuran compounds, the toxicity action against Mythimna separata and Aedes albopictus were investigated under the laboratory conditions, and their effects on activities of Na~+-K~+-ATPase and CarE were also determinated.
卫矛科植物的主要杀虫活性成分是以二氢沉香呋喃为骨架的多元醇酯和生物碱。
2) β-dihydroagarofuran
β-二氢沉香呋喃
1.
The Circular Dichroism of Some β-Dihydroagarofuran Polyesters;
几个β-二氢沉香呋喃多醇酯的CD谱研究
2.
In order to find new active compounds,the structure of 1β,2β,4α,6α,8β,9α,13-hepthydroxy-β-dihydroagarofuran was simplified to be 1β,4α,6α,9α-tetrahydroxy-2β,12-ether-β-dihydroagarofuran,and seven new dihydroagarofuran ether analogues were synthesized using 1β,4α,6α,9α-tetrahydroxy-2β,12-ether-β-dihydroagarofuran as staring materials.
提取物水解产物中的1β,2β,4α,6α,8β,9α,13-七羟基-β-二氢沉香呋喃为起始原料,先经过甲基磺酸酯保护后再用氢化铝锂还原,得到一结构新颖的双呋喃二氢沉香呋喃倍半萜(化合物S),并以此为原料设计合成了7个未见文献报道的双呋喃二氢沉香呋喃醚类衍生物(a~g),其结构经核磁共振谱、红外光谱、高分辨质谱等方法确证。
3.
Based on the data in literatures and our research results in recent years, the paper dis cussed the α,β,γeffects on the 13C NMR and stereochemisry of β-dihydroagarofuran when the parent skeleton was substituted by acyloxy or hydroxy groups at the pdgitions C2,C4,C6,C8 and C13 which would be very useful for the research on the new chemical structures of this kind of compounds.
本文结合作者近年的研究,讨论了β-二氢沉香呋喃倍半萜的13CNMR取代规律及其有关的立体化学问题,这对于进一步研究该类天然产物的化学结构有重要参考价值。
3) β-dihydroagarofuran sesquiterpenoid polyol esters
β-二氢沉香呋喃
1.
A majority of β-dihydroagarofuran sesquiterpenoid polyol esters with insecticidal activity were reviewed which were isolated from Celastrus angulatus.
)中分离得到的具有杀虫活性成分的β-二氢沉香呋喃为骨架的多元醇酯类化合物。
4) β-dihydroagarofuran sesquiterpene
β-二氢沉香呋喃倍半萜
5) macrocycle dihydroagarofuran
大环二氢沉香呋喃
6) Dihydroagarofuran sesquiterpene
二氢沉香呋喃倍半萜
补充资料:(R)-3-羟基-4,4-二甲基-二氢-2(3H)-呋喃酮
CAS:599-04-2
分子式:C6H10O3
分子质量:130.14
沸点:120-122℃
熔点:88-92℃
中文名称:(R)-3-羟基-4,4-二甲基-二氢-2(3H)-呋喃酮
泛酰内酯
二氢-3-羟基-4,4-二甲基-2(3H)呋喃酮
α-羟基-β,β-二甲基-γ-丁内酯
泛解酸内酯
英文名称:dihydro-3-hydroxy-4,4-dimethyl-, (R)-2(3H)-Furanone
Dihydro-4,4-dimethyl-3-hydroxy-2(3H)-furanone
alpha-hydroxy-beta,beta-dimethyl-gamma-butyrolactone
2(3H)-Furanone,dihydro-3-hydroxy-4,4-dimethyl-,(R)-
性状描述:吸湿性结晶(苯、石油醚,或升华得到)。熔点 80(92℃ ),沸点 130℃ 、2.4kPa,易溶于水,溶于乙醇;乙醚;氯仿;二硫化碳;苯。R型熔点 92℃,[α]-50.7°(C=2.05,H2O),S型熔点 91℃,[α]+50°(C=2.00,H2O)。
生产方法:用异丁醛与甲醛缩合,生成α,α-二甲基-β-羟基丙醛,后者与氢氰酸在氯化钙参与下进一步缩合并水解、酸化、内酯化制得该品。
用途:混旋泛酸钙的中间体。
分子式:C6H10O3
分子质量:130.14
沸点:120-122℃
熔点:88-92℃
中文名称:(R)-3-羟基-4,4-二甲基-二氢-2(3H)-呋喃酮
泛酰内酯
二氢-3-羟基-4,4-二甲基-2(3H)呋喃酮
α-羟基-β,β-二甲基-γ-丁内酯
泛解酸内酯
英文名称:dihydro-3-hydroxy-4,4-dimethyl-, (R)-2(3H)-Furanone
Dihydro-4,4-dimethyl-3-hydroxy-2(3H)-furanone
alpha-hydroxy-beta,beta-dimethyl-gamma-butyrolactone
2(3H)-Furanone,dihydro-3-hydroxy-4,4-dimethyl-,(R)-
性状描述:吸湿性结晶(苯、石油醚,或升华得到)。熔点 80(92℃ ),沸点 130℃ 、2.4kPa,易溶于水,溶于乙醇;乙醚;氯仿;二硫化碳;苯。R型熔点 92℃,[α]-50.7°(C=2.05,H2O),S型熔点 91℃,[α]+50°(C=2.00,H2O)。
生产方法:用异丁醛与甲醛缩合,生成α,α-二甲基-β-羟基丙醛,后者与氢氰酸在氯化钙参与下进一步缩合并水解、酸化、内酯化制得该品。
用途:混旋泛酸钙的中间体。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条