Dehydroabietic acid

A new unsymmetrical Bolaform surfactant,namely disodium sulfodehydroabietate(DSDA)was synthesized by sulfonation of dehydroabietic acid followed by neutralization,and its structure was characterized by FT-IR,1H NMR and MS.

以脱氢松香酸为原料,经磺化、中和反应合成了一种非对称Bola型表面活性剂磺化脱氢松香酸二钠盐(DSDA),利用FT-IR、1HNMR及MS对目标产物结构进行确证,采用表面张力法确定了DSDA在303。

A new sulfodehydroabietic acid based bis-quaternary ammonium cationic surfactant(Ⅲ) was synthesized by sulfonation of dehydroabietic acid,followed by reaction with epoxypropyl triethyl ammonium chloride.

以脱氢松香酸为原料,经磺化后,与试剂环氧丙基三乙基氯化铵反应合成了一种新型磺化脱氢松香基双季铵盐阳离子表面活性剂(Ⅲ),通过红外光谱对中间体及目标产物的结构进行确认,并测定Ⅲ的表面活性以及与十二烷基硫酸钠(SDS)复配体系的表面活性。

Starting from methyl dehydroabietate, six derivatives of methyl 12-substituted-dehydroabietate were synthesized through several steps, such as bromation, nitration, reduction and diazotization, and the effect of the different groups of methyl 12-substituted-dehydroabietate derivatives on their UV and fluorescence properties was also investigated.

以脱氢松香酸甲酯为原料,经溴代、硝化、还原、重氮化等步骤合成了6种12位取代的脱氢松香酸甲酯衍生物,研究了12位上不同取代基对它们紫外、荧光性质的影响;然后再分别以得到的12-氯脱氢松香酸甲酯和12-溴脱氢松香酸甲酯为起始物,经双硝化、氧化、脱异丙基硝化等步骤合成了一系列重要的脱氢松香酸甲酯卤代硝化衍生物,并对12-氯脱氢松香酸甲酯、12-溴-13,14-二硝基脱氢松香酸甲酯的单晶进行了X射线衍射表征。

Starting from dehydroabietic acid and methyl dehydroabietate,six aromatic ketones containing rosinyl skeleton were synthesized through Friedel-Crafts acylation,using aluminum chloride anhydrous as catalyst.

以脱氢松香酸和脱氢松香酸甲酯为原料,经傅-克酰基化反应合成6种脱氢松香基芳酮衍生物,产物用红外光谱和核磁共振谱进行表征。

A new unsymmetrical Bolaform surfactant,namely disodium sulfodehydroabietate(DSDA)was synthesized by sulfonation of dehydroabietic acid followed by neutralization,and its structure was characterized by FT-IR,1H NMR and MS.

以脱氢松香酸为原料,经磺化、中和反应合成了一种非对称Bola型表面活性剂磺化脱氢松香酸二钠盐(DSDA),利用FT-IR、1HNMR及MS对目标产物结构进行确证,采用表面张力法确定了DSDA在303。

Ⅶ was further converted to methyl 7-carbonyl-12,13-furazandehydroabietate(Ⅷ) through reacting with tri.

以歧化松香为原料,将其纯化得到脱氢松香酸,用硫酸二甲酯酯化后,通过12位溴代、7位氧化、13位硝化得到7-羰基-12-溴-13-硝基脱氢松香酸甲酯(Ⅴ),Ⅴ经过与叠氮化钠反应后,在甲苯中回流关环得到7-羰基-12,13-氧化呋咱脱氢松香酸甲酯(Ⅶ),Ⅶ再用三苯基膦脱氧得到7-羰基-12,13-呋咱脱氢松香酸甲酯Ⅷ,这两种产物的产率分别为83%和76%;产物经IR、1HNMR1、3CNMR和MS进行了表征。

Study on the Friedel-Crafts Reaction of DAA and MDAA and the Fluorescence Property of Their Derivatives;

脱氢松香酸和甲酯傅克反应及衍生物荧光性质研究

Study on the Synthesis of Novel Chiral Fluorescence Derivatizing Reagents Deriving from Methyl 13,14-diaminodeisopropyldehydroabietate;

基于脱氢松香酸芳环二胺合成手性荧光衍生试剂的研究

Synthesis, Crystal Structures and Properties Study of MetalComplexes with Sulfanilamide Drugs and Dehydroabietic Acid Ligands;

磺胺类药物金属配合物及脱氢松香酸金属配合物的合成、晶体结构和性质研究

Study on the Preparation of Disproportionated Rosin and Purification of Dehydroabietic Acid from Disproportionated Rosin;

歧化松香的制备与脱氢枞酸的提纯研究

The results of the analysis show the main product is a dehy- drogenated abietic acid, whose quality is up to the requirement of the potassium soap of rosin.

分析结果表明，反应产物主要为脱氢枞酸，其质量符合作为歧化松香钾皂的要求。

Hydrogenation Technics and Discussion on Product Properties of High Acid Value Rosin

高酸值松香的加氢工艺研究及产物性能探讨

Removal of Trace Hydrogen Cyanide in Cigarette Smoke by Adsorption and Catalytic Oxidation;

香烟烟气中微量氢氰酸的吸附与催化氧化脱除

hydroxybutyric dehydrogenase

β－羟－丁酸脱氢酶

Synthesis and Bioactivity Study of Dehydroabieticacyl Thiourea Compounds and Related Heterocyclic Derivatives;

脱氢松香基硫脲化合物及其杂环化合物的合成与生物活性研究

Construction of Aromatic or Heteroaromatic Ring on Dehydroabietic Acid Skeleton and Study on the Products' Fluorenscence Property;

脱氢松香骨架上芳杂环的构建及其荧光性质研究

Synthesis of Dehydroabietyl-1, 3, 4-oxadiazole Derivatives and Their Interactions with DNA;

脱氢松香基-1，3，4-噁二唑衍生物的合成及其与DNA相互作用研究

Cloning of 3-dehydroquinate synthase cDNA from Echinacea angustifolia and its tissue expression characteristics

狭叶松果菊3-脱氢奎尼酸合成酶基因cDNA的克隆及其组织表达特征

Tracking Analysis of Changes in Resin Acid Composition During Catalytic Hydrogenation of Rosin

松香催化加氢过程中树脂酸组成变化的跟踪分析

Application of green solvent DMC in determining the acid value of hydrogenated rosin glyceride

绿色溶剂DMC在氢化松香甘油酯酸值测定中的应用

Fluorescence Spectral Study on Interaction of Hydrogenated Sodium Rosinate with Gelatin

氢化松香酸钠与明胶蛋白质相互作用的荧光光谱法研究

Characterization of Malate Dehydrogenase Gene from Citrus junos and Its Transgenic Tobacco’s tolerance to Aluminium Toxicity

香橙苹果酸脱氢酶CjMDH基因表达特性及转基因烟草的耐铝分析

prednisone acetate

【药】醋酸泼尼松, 去氢可的松, 强的松

methylprednisolone sodium succinate

甲氢泼尼松琥珀酸钠