Pyridinium chlorochromate (PCC) supported on silica gel effects the oxidative cyclization of structurally diverse thiophenolic and phenolic Schiff's bases, thereby providing an efficient and convenient method for the synthesis of a library of 2-arylbenzothiazoles and 2-arylbenzoxazoles.
Synthesis of hetaryl-substituted benzoxazoles<i>via</i>oxidative cyclization of phenolic schiff's bases
作者:Kadri G. Ozokan、Mustafa K. Gumus、Seniz Kaban
DOI:10.1002/jhet.5570450643
日期:2008.11
2-(1H-Pyrrol-2-yl)benzo[d]oxazoles, 4-(benzo[d]oxazol-2-yl)quinoline and 2-(benzo[d]oxazol-2-yl)-4,6-dimethylquinolines were obtained in good yield by the oxidative intramolecular ring closing reactions of phenolicSchiff'sbases with the effect of manganese triacetate.
2-(1 H-吡咯-2-基)苯并[ d ]恶唑,4-(苯并[ d ]恶唑-2-基)喹啉和2-(苯并[ d ]恶唑-2-基)-4,6通过酚类席夫碱的氧化性分子内闭环反应和三乙酸锰的作用,可以得到高产率的-二甲基喹啉。
Polymerisation of ethylene and alpha-olefins with pyrrol-iminophenol complexes.
申请人:TOTAL PETROCHEMICALS RESEARCH FELUY
公开号:EP1925623A1
公开(公告)日:2008-05-28
The present invention relates to the field of single site catalyst systems based on pyrrol-iminophenol, pyrrol-iminoalcohol or pyrrol-iminoamine complexes and suitable for oligomerising or homo- or co-polymerising ethylene and alpha-olefins.
Polymerisation of Ethylene and Alpha-Olefins with Pyrrol-Iminophenol Complexes
申请人:Hillairet Caroline
公开号:US20100063229A1
公开(公告)日:2010-03-11
The present invention relates to the field of single site catalyst systems based on pyrrol-iminophenol, pyrrol-iminoalcohol or pyrrol-iminoamine complexes and suitable for oligomerising or homo- or co-polymerising ethylene and alpha-olefins.