Recently I am researching about ASSISTED PURIFICATION CHEMISTRY; ENANTIOSELECTIVE CONSTRUCTION; COUPLING REACTIONS; COMPLEXES; LIGAND; BOND; CYCLOADDITION; DERIVATIVES; SCAFFOLDS; OXIDATION, Saw an article supported by the National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [91956110, 21672100, 21971090] Funding Source: Medline; Robert A. Welch FoundationThe Welch Foundation [1361] Funding Source: Medline. Published in WILEY-V C H VERLAG GMBH in WEINHEIM ,Authors: Liu, YX; Ahmed, S; Qin, XY; Rouh, H; Wu, GZ; Li, GG; Jiang, B. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid. Safety of 4-Nitrobenzoic acid
An effective chiral GAP methodology for preparing alpha-aminomethyl enaminones through a (R)-CSA-catalyzed asymmetric aza-Baylis-Hillman reaction is reported. Excellent yields and high diastereoselectivity could be obtained under mild conditions and convenient GAP techniques. The confirmations of the absolute configuration of N-phosphonyl imine and chiral enaminone by X-ray diffraction provides an explicit explanation of the chirality mechanism for GAP chemistry.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem