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- Absorption spectra of three novel coumarin sensitizer incorporate benzylidene cyclopentanone moiety were studied. 比较研究了三种含苄叉环戊酮基团的新型香豆素类光敏染料。
- Keywords two-photon absorption;two-photon photopolymerization;benzylidene cyclopentanone dyes; 双光子吸收;双光子光聚合;苄叉环戊酮类染料;
- benzylidene cyclopentanone 苄叉环戊酮
- Benzylidene acetone exports accounted for first in the country. 苄叉丙酮的出口量占全国第一。
- Its metallation and addition to cyclopentanone proceeded well to 40. 到40, 其金属取代和加入环戊酮都反应顺利。
- Buspirone was synthesized from cyclopentanone with some im-provements in an overall yield of 22%. 经6步反应合成了抗焦虑药丁螺环酮,各步收率稳定,操作简便,原料易得,总收率为22%25(以环戊酮计)。
- The optimum process conditions are determined.The yield of cyclopentanone is up to 85% with a purity of more than 99%. 确定了适宜的工艺条件,环戊酮的收率为85%25以上,环戊酮产品纯度大于99%25。
- METHODS 3,4,5-trimethoxy-triphenyl benzylidene bromide phosphine salt,the important precursor of the phosphine Ylide,was synthesis from deoxidize,bromization and addition. 方法以3,4,5-三甲氧基苯甲醛为原料,经过还原、溴代、加成三步反应得到叶立德前体3,4,5-三甲氧基苄溴三苯基膦盐。
- Benzylidene acetophenone was synthesized successfully through the reaction of benzaldehyde with acetophenone in near-critical water, without any added catalyst. 以近临界水作为反应介质,在无外加催化剂的条件下,苯甲醛与苯乙酮可顺利反应生成苄叉乙酰苯。
- Butyrolactone series products are synthesized via aldol condensation, catalytic hydrogenation and oxidation reaction based on cyclopentanone and aliphatic aldehyde. 以环戊酮和脂肪醛系列为原料,经过羟醛缩合、催化加氢、氧化反应,三步制得丁位内酯系列产品。
- Cyclopentenopyridine(3) in yield of 65% was synthesized from acrolein,cyclopentanone and NH3 by heterogeneous catalysis reaction through a fixed bed reactor. 以丙烯醛和环戊酮为原料,用固定床多相催化法合成了2,3-环戊烯并吡啶,收率65%25(以环戊酮质量计算),含量高于50%25。
- The types and kinds of medical intermediate compounds (thiaphenol series, pyridine series, cyclopentanone derivant etc.) are rich, and in reliable quality, so they are highly praised by all kinds of customers. 医药中间体(噻酚系列、吡啶系列、环戊酮衍生物等)品种多样,产品质量保证,深受广大客户好评。
- This paper briefs the industrial usages i and harmfulness of cyclopentanone and cyclohexanone, and reviews the research progresses in microbial degradation of cyclopentanone and cyclohexanone. 摘要简略介绍了环戊酮和环己酮的应用及危害,综述了目前国内外在环戊酮和环己酮微生物降解的研究进展。
- Cyclopentenopyridine(3) in yield of 65% was synthesized from acrolein,cyclopentanone and NH3 by heterogeneous catalysis reaction through a fixed bed reactor.The content of 3 was more than 50%. 以丙烯醛和环戊酮为原料,用固定床多相催化法合成了2,3-环戊烯并吡啶,收率65%25(以环戊酮质量计算),含量高于50%25。
- This paper studies that TLC technology is applied to synthesis of benzylidene acetone.Through TLC is employed to monitor the synthesis process,The ability to analyse and solve problems is enhance. 将薄层色谱技术应用于苄叉丙酮的合成实验;通过薄层色谱对合成反应过程的监控;增加了实验的探究性;提高了学生分析问题、解决问题的能力.
- Improvement on Experiment of Benzylidene Acetone 苄叉丙酮实验的改进
- Acidic Resin-Catalyzed Synthesis of Benzylidene Acetone 酸性树脂催化合成苯丁烯酮的研究
- The Synthesis of Benzylidene Acetophenone in Near-critical Water 近临界水中苄叉乙酰苯的合成研究
- Keywords cyclopentanone;aluminium isopropoxide;cyclopentanol; 环戊酮;异丙醇铝;环戊醇;