Alkylation of imines can be applied to the synthesis of various useful compounds and aza-Diels-Alder reaction can yield not only optically active but also sterically constrained α-amino acid derivatives. This paper just have a simple introduction and a discussion on both of these reactions.

1、

The interaction mechanism between tween-80 ( polyoxyethylene sorbitol fatty acid esters) and liposome membrane is studied. The structure of sterically stabilized liposome membrane is verified by some analytical means such as nephelometry, DSC,~ 1H-NMR and so on.

研究了表面活性剂吐温-80（聚氧乙烯山梨醇脂肪酸酯）与脂质膜间的相互作用机理，运用浊度测定、DSC1、H&NMR等分析手段验证了脂质膜的立体稳定结构。

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A new selective desulfurizer LY 1, sterically hindered amine, was prepared which had more excellent selectivity for H 2S in the presence of CO 2 in raw gas, and better absorption and desorption capacities than MDEA.

对于含有H2S、CO2酸性气体的脱硫，新型空间位阻胺脱硫剂LY-1比工业常用的脱硫剂MDEA（N-甲基二乙醇胺）对H2S具有更好的选择性，且吸收容量大，解吸性能好。

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In this paper, the system of the PU elastomer adde a liquid containing sterically hindered diamine chain extender and processed specialty fillers, prepared a new type of damping polyurethane ( PU) damping materials.

文中在PU弹性体体系中添加了一种含有位阻性液体二胺类扩链剂和经过处理的特种填料，制备了新型阻尼聚氨酯（PU）阻尼材料。

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RESULTS The size of conventional liposomes and sterically stabilized liposomes were about 0 35 and 0 42 μ m. The sterically stabilized structure can be confirmed by TEM photo.

结果制备的普通和立体稳定脂质体粒径分别约为035和042μm，电镜下可观察到脂质体的立体稳定结构。

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Synthesis of Sterically Hindered Imines Catalyzed by AlCl_3/ Et_3N

三氯化铝/三乙胺催化合成位阻亚胺的研究

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The target recognition was the key factor to the in vivo initiative targeting effect of sterically stabilized immunoliposomes ( SILs).

空间稳定免疫脂质体的免疫活性是决定其能否主动靶向的关键。

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OBJECTIVE The pharmacokinetics of all trans retinoic acid ( RA) conventional and sterically stabilized liposomes in rabbits were studied and compared.

目的以全反式维甲酸（RA）普通脂质体为对照，测定RA立体稳定脂质体的家兔体内药动学。

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Preparation of the EPC and HEPC sterically stabilized doxorubicin liposomes or further studies on pharmacokinetics in vivo

EPC和HEPC长循环阿霉素脂质体的制备及大鼠体内释药研究

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Study on the Extraction of Platinum With High Sterically Hindered Tertiary Amine ( N_ ( 3418)) From Hydrochloric and Medium

高位阻叔胺（N（3418））自盐酸溶液中萃取铂的研究

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Preparation and in vitro tumor cells selectivity of sterically stabilized immunoliposomal peptides in bee venom;

蜂毒多肽空间稳定免疫脂质体有较高的肿瘤细胞选择性。

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Progress in Sterically Stabilized Immunoliposome for Brain Targeting

脑靶向空间稳定免疫脂质体研究进展

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Studies in Esterification of Sterically Hindered Tertiary Alcohols

大位阻叔醇酯化合成的研究

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AIM To prepare sterically stabilized liposomes containing all trans retinoic acid, and to study its physicochemical properties.

目的制备全反式维甲酸（RA）的立体稳定脂质体，初步研究其物理化学性质。

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The extraction method of Platinum(ⅳ) with high sterically hindered tertiary amine from hydrochloric acid medium is studied in this paper.

本工作以高位阻叔胺萃取剂N3418自盐酸溶液中对铂（Ⅳ）的萃取进行了研究。

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Sterically stabilized immunoliposome for brain targeting can bring drugs into brain directed by specific monoclonal antibody.

介绍了脑靶向空间稳定免疫脂质体制剂的研究进展。

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Study of Novel Sterically Crowded Induced One-Electron Reductive Reaction

新型立体位阻诱导单电子还原反应研究

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The characteristics, protective principle and application of Sterically hindered silane blocking agents were reviewed.

综述了位阻型硅烷化试剂的特点、保护原理和应用。

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Study of Inhomogeneous Catalytic Oxidation Reaction of Piperidine Sterically Hindered Amine Compounds

哌啶类立体受阻胺化合物非均相催化氧化工艺研究

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Mass transfer mathematic model of carbon dioxide removal by sterically hindered amine has established.

建立了空间位阻胺脱碳的传质数学模型。

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Another 9 platinum compounds are being still clinically tested worldwide. These include the analogues of Cisplatin and Carboplatin, the lipophilic complexes, the oral Pt(ⅳ) complexes, the multinuclear complexes and the sterically hindered complex.

目前还有另外9种铂化合物仍在进行临床研究，这些化合物为顺铂和卡铂的类似物、亲脂性配合物、口服铂（Ⅳ）配合物、多核铂配合物以及具有空间位阻的铂配合物。

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