An article Heterogeneous copper-catalyzed decarboxylative cyclization of 2-benzoylpyridines with alpha-amino acids leading to imidazo[1,5-a]pyridines WOS:000455226300001 published article about C-H FUNCTIONALIZATION; TERMINAL ALKYNES; HIGHLY EFFICIENT; OXIDATIVE AMINATION; MCM-41; COMPLEXES; ALDEHYDES; IMMOBILIZATION; BONDS; TRANSANNULATION in [Liao, Yang; Zhang, Rongli; Cai, Mingzhong] Jiangxi Normal Univ, Minist Educ, Key Lab Funct Small Organ Mol, Nanchang 330022, Jiangxi, Peoples R China; [Liao, Yang; Zhang, Rongli; Cai, Mingzhong] Jiangxi Normal Univ, Coll Chem & Chem Engn, Nanchang 330022, Jiangxi, Peoples R China; [Yan, Chenyu] Jiangxi Normal Univ, Affiliated Middle Sch, Nanchang 330022, Jiangxi, Peoples R China in 2019.0, Cited 70.0. SDS of cas: 91-02-1. The Name is Phenyl(pyridin-2-yl)methanone. Through research, I have a further understanding and discovery of 91-02-1
The heterogeneous decarboxylative cyclization reaction between 2-benzoylpyridines and alpha-amino acids was achieved in toluene at 120 degrees C in the presence of 15 mol% of L-proline-functionalized MCM-41-supported copper(II) complex [L-Proline-MCM-41-Cu(OTf)(2)] and iodine with di-tert-butyl peroxide (DTBP) as oxidant, yielding a variety of 1,3-disubstituted imidazo[1,5-a]pyridines in good to excellent yields. The new supported copper catalyst can be prepared from commercially available and inexpensive reagents, and recovered from the reaction mixture by a simple filtration and recycled up to eight times with almost consistent activity. (c) 2018 Elsevier B.V. All rights reserved.
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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem