Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的吡嗪类杂环香料及各自的特征香气,并综述了此类合物的一般合成法。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基合物进一步聚成苯基碳胺，后者又聚合生成含氮杂环的多环芳烃。

Among of them, indoles and pyrazoles are of great importance and they are also hotspots that organic chemists are researching.

吲哚和吡唑是含氮有机杂环合物的两大类型，它们也是有机学家研究的热点。

The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.

述了不同过渡金属催下通过炔基和磺酰胺基反应,形成N-磺酰基取代的杂环合物。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中的巯基杂环合物和硫脲衍生物的含量。

Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.

随后，我们发现氮杂环卡宾也可以作为一种有机小分子催剂，分别催各类硅试剂或酸酐对氮杂环丙烷合物的开环。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的杂环香料及各自的特征香气,并综述了此化合物的一般合成法。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基化合物进一步二聚成二苯基碳化二亚胺，后者又聚合生成含氮杂环的多环芳烃。

Among of them, indoles and pyrazoles are of great importance and they are also hotspots that organic chemists are researching.

吲哚和唑是含氮有机杂环化合物的两大型，它们也是有机化学家研究的热点问题。

The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.

概述了不同过渡金属催化下通过炔基和磺酰胺基反应,形成N-磺酰基取代的杂环化合物。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，位滴定法，连续测定酸性镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。

Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.

随后，我们发现氮杂环卡宾也可以作为一种有机小分子催化剂，分别催化各硅试剂或酸酐对氮杂环丙烷化合物的开环。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的吡嗪类料及各自的特征,综述了此类合物的一般合成法。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基合物进一步二聚成二苯基碳二亚胺，后者又聚合生成含氮的多芳烃。

Among of them, indoles and pyrazoles are of great importance and they are also hotspots that organic chemists are researching.

吲哚和吡唑是含氮有机合物的两大类型，它们也是有机学家研究的热点问题。

The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.

概述了不同过渡金属催下通过炔基和磺酰胺基反应,形成N-磺酰基取代的合物。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中的巯基合物和硫脲衍生物的含量。

Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.

随后，我们发现氮卡宾也可以作为一种有机小分子催剂，分别催各类硅试剂或酸酐对氮丙烷合物的开。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

了一些重要的吡嗪类杂环香料及各自的特征香气,并综述了此类化合物的一般合成法。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基化合物进一步二聚成二苯基碳化二亚胺，后者又聚合生成含氮杂环的多环芳烃。

Among of them, indoles and pyrazoles are of great importance and they are also hotspots that organic chemists are researching.

吲哚和吡唑是含氮有机杂环化合物的两大类型，它们也是有机化学家研究的热点问题。

The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.

概述了不同过渡金属催化下通过炔基和磺酰胺基反应,形成N-磺酰基取代的杂环化合物。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝银标准溶液，采用电位滴法，连续性镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。

Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.

随后，我们发现氮杂环卡宾也可以作为一种有机小分子催化剂，分别催化各类硅试剂或酐对氮杂环丙烷化合物的开环。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的吡嗪类杂环香料及各自的特征香气,并综述了此类化物的一般法。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基化物进一步二聚二苯基碳化二亚，后者又聚生含氮杂环的多环芳烃。

Among of them, indoles and pyrazoles are of great importance and they are also hotspots that organic chemists are researching.

吲哚和吡唑是含氮有机杂环化物的两大类型，它们也是有机化学家研究的热点问题。

The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.

概述了不同过渡金属催化下通过炔基和基反应,形N-基取代的杂环化物。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中的巯基杂环化物和硫脲衍生物的含量。

Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.

随后，我们发现氮杂环卡宾也可以作为一种有机小分子催化剂，分别催化各类硅试剂或酸酐对氮杂环丙烷化物的开环。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的嗪类杂环香料及各自的特征香气,并综述了此类的一般成法。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基进一步二聚成二苯基碳二亚胺，后者又聚生成含氮杂环的多环芳烃。

Among of them, indoles and pyrazoles are of great importance and they are also hotspots that organic chemists are researching.

吲哚是含氮有机杂环的两大类型，它们也是有机学家研究的热点问题。

The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.

概述了不同过渡金属催下通过炔基磺酰胺基反应,形成N-磺酰基取代的杂环。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中的巯基杂环硫脲衍生的含量。

Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.

随后，我们发现氮杂环卡宾也可以作为一种有机小分子催剂，分别催各类硅试剂或酸酐对氮杂环丙烷的开环。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了些重要的吡嗪类杂环香料及各自的特征香气,并综述了此类合的般合成法。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基合步二聚成二苯基碳二亚胺，后者又聚合生成含氮杂环的多环芳烃。

Among of them, indoles and pyrazoles are of great importance and they are also hotspots that organic chemists are researching.

吲哚和吡唑是含氮有机杂环合的两大类型，它们也是有机学家研究的热点问题。

The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.

概述了不同过渡金属通过炔基和磺酰胺基反应,形成N-磺酰基取代的杂环合。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中的巯基杂环合和硫脲衍生的含量。

Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.

随后，我们发现氮杂环卡宾也可以作为种有机小分子剂，分别各类硅试剂或酸酐对氮杂环丙烷合的开环。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些吡嗪类杂环香料及各自特征香气,并综述了此类化合物一般合成法。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基化合物进一步二聚成二苯基碳化二亚胺，后者又聚合生成含氮杂环多环芳烃。

Among of them, indoles and pyrazoles are of great importance and they are also hotspots that organic chemists are researching.

吲哚和吡唑是含氮有机杂环化合物两大类型，它们也是有机化学家研究热点问题。

The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.

概述了不同过渡金属催化下通过炔基和磺酰胺基反应,形成N-磺酰基取代杂环化合物。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电法，连续测酸性镀铜光充剂中巯基杂环化合物和硫脲衍生物含量。

Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.

随后，我们发现氮杂环卡宾也可以作为一种有机小分子催化剂，分别催化各类硅试剂或酸酐对氮杂环丙烷化合物开环。

Some important pyrazine flavors and their characteristic aromas and the general synthetic methods of pyrazines have been reviewed.

介绍了一些重要的吡嗪杂香料及各自的特征香气,并综述了此化合物的一般合成法。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基化合物进一步二聚成二苯基碳化二亚胺，后者又聚合生成含氮杂的烃。

Among of them, indoles and pyrazoles are of great importance and they are also hotspots that organic chemists are researching.

吲哚和吡唑是含氮有机杂化合物的两大，们也是有机化学家研究的热点问题。

The synthsis methods of N-sulfuryl substitude hetercycles by the reaction of alkyne with sulfamide catalyzed by diverse transition mentals were reviewed in this paper.

概述了不同过渡金属催化下通过炔基和磺酰胺基反应,形成N-磺酰基取代的杂化合物。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中的巯基杂化合物和硫脲衍生物的含量。

Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.

随后，我们发现氮杂卡宾也可以作为一种有机小分子催化剂，分别催化各硅试剂或酸酐对氮杂丙烷化合物的开。