1)  Piperidine
胡椒环
2)  1,3-benzodioxole
胡椒环
1.
Heliotropin was synthesized by reacting AgNO_3 with 3,4-dioxymethylene mandelic acid,which was prepared from 1,3-benzodioxole.
研究了以胡椒环为原料,首先与乙醛酸反应,得中间体3,4-亚甲二氧基苯乙醇酸,然后以硝酸银对该中间体进行氧化脱羧,最后得到洋茉莉醛。
3)  3,4-methylenedioxy-nitrobenzene
硝基胡椒环
1.
For the nitration,the yield of 3,4-methylenedioxy-nitrobenzene was over 95.
胡椒环的硝化反应以硝酸为硝化剂,硝基胡椒环的产率≥95。
2.
This paper briefly discussed the state and the prospect of 3,4-methelenedioxy-aniline and N-ethyl-3,4-methylenedioxyaniline as an important intermediates for dyes and medicines, determined an industrially feasible route of produce 3,4-methylenedioxy-nitrobenzene, 3,4-methylenedioxyaniline and N-ethyl-3,4-methylenedioxyaniline with 1,2-methylenedioxy-benzene as starting material.
确立了合成硝基胡椒环、胡椒胺和N-乙基胡椒胺的可行化工业路线。
4)  acetopiperone
乙酰胡椒环
5)  pepper
胡椒
1.
Study on the method of extracting natural preservative in pepper and its bacteriostasis;
胡椒中天然防腐剂的提取方法及其抑菌作用研究
2.
Study on ultrasonic extraction of antioxidant from pepper;
超声波提取胡椒中抗氧化成分的研究
6)  Piper nigrum Linn
胡椒
1.
Preparative Separation and Purification of Piperine from Piper nigrum Linn. by High-speed Counter-current Chromatography;
高速逆流色谱分离制备胡椒中的胡椒碱(英文)
2.
Germination of Piper nigrum Linnaeus and Coffea canephora Pierre ex Froehner seeds stored at an ambient temperature was observed.
研究了胡椒(Pipernigrum Linnaeus)和中粒种咖啡(Coffea canephora Pierre ex Froehner)种子在常温自然贮藏条件的萌发特性。
3.
Pipeline in Piper nigrum Linn were identified by TLC with clear and reproducible spot, the content of pipeline in extractor was determined by HPLC.
本研究采用薄层色谱法(TLC法)对胡椒提取物中的有效成分胡椒碱进行鉴别分析，结果斑点清晰、重现性较好。
参考词条
补充资料：胡椒环
  分子量85．15
  性质  无色液体，有特殊气味和皂感。密度0.8622g／cm3。熔点-7℃。沸点106℃。  闪点16.11℃。折射率1．4534。能与水混和。溶于醇、苯、氯仿等。呈强碱性。遇高热分解产生有毒的氧化氮气体。能与氧化剂发生强烈反应。遇明火燃烧，并放出有毒气体。
    应用  是一种强有机碱。主要在医药工业中用于制备硝酸哌啶、盐酸哌啶等药物。也用于橡胶工业和塑料工业的有机合成。还用作环氧树脂固化剂。作为化学试剂，主要用于检定钴、金等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。