Recently I am researching about IRIDIUM-CATALYZED HYDROGENATION; HIGHLY ENANTIOSELECTIVE HYDROGENATION; THIOETHER-PHOSPHITE; SUBSTRATE SCOPE; RH; COMPLEXES; ENAMIDES; AMINO; PHOSPHOROAMIDITE; PHOSPHORAMIDITES, Saw an article supported by the Spanish Ministry of Economy and Competitiveness [CTQ2016-74878-P]; European Regional Development Fund (AEI/FEDER, UE); Catalan Government [2017SGR1472]; ICREA Foundation (ICREA Academia award). COA of Formula: C7H5NO4. Published in WILEY-V C H VERLAG GMBH in WEINHEIM ,Authors: Margalef, J; Borras, C; Alegre, S; Alberico, E; Pamies, O; Dieguez, M. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid
A large family of phosphite-thioether/selenoether ligands has been easily prepared from accessible L-(+)-tartaric acid and D-(+)-mannitol and applied in the M-catalyzed (M=Ir, Rh) asymmetric hydrogenation of a broad number of substrates (46 in total). Its highly modular architecture has been crucial to maximize the catalytic performance. Improving most of the reported approaches, this ligand family presents a broad substrate scope. By selecting the ligand parameters high enantioselectivities (ee’s up to 99 %) have therefore been achieved in a broad range of both, functionalized and unfunctionalized substrates. Interestingly, both enantiomers of the hydrogenation products can be usually achieved by changing the ligand parameters.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem