The synthesis of novel polycyclic heterocyclic ring system<i>via</i>photocyclization.<b>18</b>. Benzo[<i>h</i>]naphtho-[1′,2′:4,5]thieno[2,3-<i>c</i>]quinoline and benzo[<i>h</i>]naphtho-[1′,2′:4,5]thieno[2,3-<i>c</i>] [1,2,4]triazolo[4,3-<i>a</i>]quinoline
作者:Jiann-Kuan Luo、Ronald F. Federspiel、Raymond N. Castle
DOI:10.1002/jhet.5570330361
日期:1996.5
The synthesis of two previously unknown polycyclic ring systems, benzo[h]naphtho[1′2′:4,5]-thieno[2,3-c]quinoline (1) and benzo[h]naphtho[1′,2′:4,5]thieno[2,3-c][1,2,4]triazolo[4,3-a]quinoline (2), was achieved via oxidative photocyclization of 1-chloro-N-(1-naphthyl)naphtho[2,1-b]thiophene-2-carboxamide (5). The total assignment of their 1H and 13C nmr spectra was determined by the concerted use of
合成两个先前未知的多环系统:苯并[ h ]萘[1'2':4,5]-噻吩[2,3- c ]喹啉(1)和苯并[ h ]萘[1',2' :4,5] thieno [2,3- c ] [1,2,4]三唑并[4,3-a]喹啉(2)是通过1-氯-N-(1-萘基)的氧化光环化获得的萘并[ 2,1- b ]噻吩-2-羧酰胺(5)。它们的1 H和13 C nmr光谱的总分配是通过二维nmr方法的一致使用确定的。