Direct<i>ortho</i>-Selective Amination of 2-Naphthol and Its Analogues with Hydrazines
作者:Lei Jia、Qiang Tang、Meiming Luo、Xiaoming Zeng
DOI:10.1021/acs.joc.8b00421
日期:2018.5.4
is a regioselective ortho-amination of 2-naphthol and its analogues with substituted hydrazines. It provides a direct methodology for the synthesis of N-arylaminated naphthol derivatives without the formation of related 1,1′-biaryl-2,2′-diamine or carbazole byproducts. Specifically, using N,N-disubstituted hydrazine precursors, N-unsubstituted ortho-aminated derivatives and related secondary amines
Metal free direct C(sp<sup>2</sup>)–H arylaminations using nitrosoarenes to 2-hydroxy-di(het)aryl amines as multifunctional Aβ-aggregation modulators
作者:Subhra Kanti Roy、Anuj Tiwari、Mohammed Saleem、Chandan K. Jana
DOI:10.1039/c8cc08470j
日期:——
A direct C(sp2)–H arylamination of 2-hydroxyarenes using nitrosoarenes was achieved under metal free conditions without the aid of additional reagents/steps for N–O bond cleavage.