全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Emilia Kowalska , Joanna Skalik
来源:[J].Chemistry of Heterocyclic Compounds(IF 0.634), 2017, Vol.53 (1), pp.11-20Springer
摘要:[Figure not available: see fulltext.](#br)This review covers the literature on synthesis of polycyclic aromatic hydrocarbons via the Friedel–Crafts/Bradsher cyclization, published in the period of 1987–2016. Syntheses of partly and fully fused (hetero)aromatic systems with 5...
作者:Emilia Kowalska , Piotr Bałczewski
来源:[J].Ultrasonics - Sonochemistry(IF 3.516), 2017, Vol.34, pp.743-753Elsevier
摘要:Abstract(#br)The present work describes the first use of ultrasounds in the Bradsher cyclisation of activated and non-activated ortho -formyl diarylmethanes. This reaction is also the first example of electrophilic, aromatic cyclisation assisted by ultrasounds which leads to pure...
作者:Emilia Kowalska , Anna Stasiak ...
来源:[J].Synthesis(IF 2.5), 2016, pp.-Thieme
摘要:This work presents an efficient synthesis of bis(dibromomethyl)benzenes and a bis(dibromomethyl)thiophene as precursors of aromatic dialdehydes by bromination of dimethyl-substituted arenes under various reaction conditions (yields up to 99%). Several new variants of this re...
作者:Joanna Kucharska-Gaca , Emilia Kowalska , Michalina Dębowska
来源:[J].Annals of Animal Science, 2017, Vol.17 (4), pp.979-992De Gruyter
摘要:Abstract Over the years, due to genetic selection, improvement of the characteristics of laying and meat poultry with less feed consumption per kilogram of body weight gain has been achieved (FCR). As the productivity of poultry increased, the demand of embryos for nutrients...

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