碳二亚胺
- 与 碳二亚胺 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A photoresist composition including a polymer is disclosed, wherein the polymer includes at least one monomer having the formula: wherein, R1 is selected from H, linear, branched or circular alkyl with 1-20 carton atoms, linear, branched or circular alkyl with 1-20 C atom, which is perfluorinated or semi-perfluorinated; and CN; R2 is alicyclic group with 5 or more carbon atoms; X is selected from methylene, aether, ester, amide and the connecting part of the carbonate; R3 is linear or branched alkylene with one or more carbon atoms or perfluorinated or semi-perfluorinated linear or branched alkylene; R4 is selected from H, CH3, CF3, CHF2, CH2F and perfluorinated or semi-perfluorinated aliphatic group; R5 is selected from the CF3, CHF2, CH2F and perfluorinated or semi-perfluorinated substituted and unsubstituted aliphatic group; n is 1 or higher integer; OR12 is OH or at least an acid unstable group selected from the tert-alkyl carbonate, tert-alkyl ester, tert-alkyl aether, acetal and ketal.
本发明公开了一种包含一种聚合物的光刻胶组合物,该聚合物包括至少一种具有下列结构的单体:其中,R 1 选自氢、具有1~20个碳原子的线形、支化或环状烷基、半氟化或全氟化的具有1~20个碳原子的线形、支化或环状烷基、以及CN;R 2 为具有5个或更多个碳原子的脂环基团;X为选自亚甲基、醚、酯、酰胺和碳酸酯的连接部分;R 3 为具有1个或多个碳原子的线形或支化亚烷基或者半氟化或全氟化的线形或支化亚烷基;R 4 选自氢、甲基(CH 3 )、三氟甲基(CF 3 )、二氟甲基(CHF 2 )、氟代甲基(CH 2 F)、以及半氟化或全氟化的脂族基团;R 5 选自三氟甲基(CF 3 )、二氟甲基(CHF 2 )、氟代甲基(CH 2 F)、以及半氟化或全氟化的取代或未取代的脂族基团;n为1或更大的整数;OR 12 为OH或者选自叔烷基碳酸酯、叔烷基酯、叔烷基醚、缩醛和缩酮的至少一种酸不稳定基团。
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Methods and Results— We synthesized the 3 components of a gene vector binding complex:(1) A poly allylamine bisphosphonate with latent thiol groups,(2) a poly ethyleneimine with pyridyldithio groups for amplification of attachment sites , and (3) a bifunctional (amine- and thiol-reactive) cross-linker with a labile ester bond.
方法和结果—我们综合了基因复合物载体的三种成分:(1)巯基聚丙烯胺二碳磷酸盐化合物,(2)能扩增结合位点聚乙烯亚胺-pyridyldithio复合物,(3)具有不稳定酯键的双功能交联剂。
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In this dissertation, electrophilic reactions of Nitrosonium with imines, aza-Diels-Alder reactions of N-arylimines with a variety of electron rich olefinic compounds induced by NO~+, and photoreactions of N-nitrosodiphenylamine with aromatic amines were studied.
本文研究了:(1)NO~+与亚胺双健发生的亲电反应;(2)NO~+引发的芳香亚胺和富电子碳碳双键作为亲二烯体的氮杂Diels-Alder反应,高选择性地得到了一系列四氢喹啉的衍生物;(3)N—亚硝基二苯胺与芳香胺发生光化学反应得到了一系列偶氮苯类化合物。
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Chlorine atoms were selectively introduced into the chlorin ring based on different reactivity between vinyl group at 3-position and 20-meso position by electrophilic addition and electrophilic substitution using hydrogen peroxide/hydrochloric acid, N-chlorosuccinimide, hydrogen chloride (or concentrated hydrochloric acid) as chlorinating reagent.
以过氧化氢/盐酸、N-氯代丁二酰亚胺、氯化氢为氯化剂,根据3-乙烯基和20-meso-位的不同化学反应活性,通过亲电加成和亲电取代反应,在二氢卟吩环上选择性地引进氯原子,完成8种未见报道的具有叶绿素-a基本碳架的氯代二氢卟吩衍生物的合成。
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A base-catalyzed novel olefination methodology based on elimination of p-toluenesulfonamide:Treatment of diethyl cyanomethylphosphonate with catalytic amount of basegave the corresponding phosphoryl-stabilized carbanion, which added to the carbon-nitrogen double bond of N-tosyl imines.
新形成的氮负离子进一步攫取另一分子膦酸酯的活泼亚甲基氢形成加成产物同时再生出膦酰基稳定的碳负离子。加成产物消除对甲苯磺酰胺,高度立体选择性地得到-α-氰基-β-芳基-乙烯基膦酸二乙酯。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力