Safety of 1,4-Dioxa-8-azaspiro[4.5]decane. In 2019 ACS CATAL published article about H BOND FUNCTIONALIZATION; ASYMMETRIC DEAROMATIZATION; OXIDATIVE DEAROMATIZATION; AEROBIC FUNCTIONALIZATION; UNIFIED SYNTHESIS; ALPHA-AMINATION; NAPHTHOLS; HYDROAMINATION; REARRANGEMENT; AMINOBORATION in [Yao, Zhi-Li; Shao, Nan-Qi; Wang, Dong-Hui] Chinese Acad Sci, Shanghai Inst Organ Chem, CAS Key Lab Synthet & Self Assembly Chem Organ Fu, Univ Chinese Acad Sci,Ctr Excellence Mol Synth, 345 Lingling Rd, Shanghai 200032, Peoples R China; [Wang, Lei; Guo, Yin-Long] Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organometall Chem, Univ Chinese Acad Sci,Ctr Excellence Mol Synth, 345 Lingling Rd, Shanghai 200032, Peoples R China in 2019, Cited 82. The Name is 1,4-Dioxa-8-azaspiro[4.5]decane. Through research, I have a further understanding and discovery of 177-11-7.
A Cu-catalyzed dearomative amination of simple phenols with O-benzoylhydroxylamines (R’RN-OBz) to synthesize alpha-aminocyclohexa-2,4-dienones is reported. This intermolecular transformation occurs exclusively at the position ortho to the hydroxyl group, providing a convenient method to synthesize the desired products in high yields. The reaction proceeds under mild conditions and tolerates a wide range of functional groups. Mechanistic studies indicate that this transformation proceeds via either (1) a single-electron transfer process involving attack of an N-centered radical onto the phenol or (2) a two-electron pathway involving addition of phenol to an electrophilic Cu-III-amino complex via an inner-sphere process.
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Piperidine | C5H7510N – PubChem