Product Details of 6346-09-4On November 14, 2019 ,《Direct Dearomatization of Pyridines via an Energy-Transfer-Catalyzed Intramolecular [4+2] Cycloaddition》 appeared in Chem. The author of the article were Ma, Jiajia; Strieth-Kalthoff, Felix; Dalton, Toryn; Freitag, Matthias; Schwarz, J. Luca; Bergander, Klaus; Daniliuc, Constantin; Glorius, Frank. The article conveys some information:
A catalytic, dearomative cycloaddition reaction with pyridines, e.g., I using photoinduced energy transfer catalysis has been reported, thereby advancing dearomatization methodol. and increasing the topol. of pyridine dearomatization products, e.g., II. This unprecedented method features high yields, broad substrate scope, excellent functional group tolerance, and facile scalability. Furthermore, a recyclable and sustainable polymer immobilized photocatalyst was employed. Computational and exptl. investigations support a mechanism in which a cinnamyl moiety is promoted to its corresponding excited triplet state through visible-light-mediated energy transfer catalysis, followed by a regioselective and dearomative [4+2] cycloaddition to pyridines. This work demonstrates the contribution of visible light catalysis toward enabling thermally challenging organic transformations. In the part of experimental materials, we found many familiar compounds, such as 4,4-Diethoxybutan-1-amine(cas: 6346-09-4Product Details of 6346-09-4)
4,4-Diethoxybutan-1-amine(cas: 6346-09-4) belongs to anime. Amine, any member of a family of nitrogen-containing organic compounds that is derived, either in principle or in practice, from ammonia (NH3). Naturally occurring amines include the alkaloids, which are present in certain plants; the catecholamine neurotransmitters (i.e., dopamine, epinephrine, and norepinephrine); and a local chemical mediator, histamine, that occurs in most animal tissues.Product Details of 6346-09-4
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