Herein, a series of novel C≡N functionalized carbazole-arylamine derivatives with variable C≡N substitution positions (para, meta, and ortho) on benzene-carbazole skeleton (on the adjacent benzene of carbazole) were synthesized (p-HTM, m-HTM and o-HTM). The experimental results exhibit that ...
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For some practitioners, alchemy was an intellectual pursuit, over time, they got better at it. Paracelsus (1493–1541), for example, rejected the 4-elemental theory and with only a vague understanding of his chemicals and medicines, formed a hybrid of alchemy and science in what was to be ...
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The effects of tempered procedures (well and under-tempered) on the crystalline behaves of cocoa butter were elaborated through detecting crystalline structure and compositions of crystals located at different positions of cocoa butter products in this study. The under-tempered products couldn’t form ...
Poly(silane arylether arylacetylene) (PSEA) resins with acetylene groups at different substituted positions were synthesized and the effects of the substituted positions of acetylene groups on the properties of PSEA resins were investigated. The resins possess a wide processing window. The cured resin...
Oligosaccharides and the like can be prepared by sophisticated organic chemistry methods1–3 (see also Chapters 1.07 and 1.10); however, the tedious protection, activation, and deprotection strategies lead to intolerably low yields, material, and time consumption. As demonstrated by the multistep ...
The exceptional performance, coupled with the elegant design and innovative synthesis strategy employed in this work, positions the Co-MOF binder-free electrode as a promising candidate for a wide range of applications, including portable electronics, electric vehicles, and renewable energy storage. ...
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Note that average response time is based on Shani’s active hours, which are 9:00 pm - 1:00 pm GMT+8. Excellent tutor Shani is great and very easy going, she helped me with a variety of basic chemistry concepts. I also liked that she is very patient, explains the reasoning behind ...