渤海大学学报(自然科学版)
渤海大學學報(自然科學版)
발해대학학보(자연과학판)
JOURNAL OF BOHAI UNIVERSITY(NATURAL SCIENCE EDITION)
2013年
4期
372-378
,共7页
聂成铭%徐良玉%李阳%高文涛
聶成銘%徐良玉%李暘%高文濤
섭성명%서량옥%리양%고문도
合成%Friedel-Crafts%Eaton′s试剂%一锅法%苯并喹啉
閤成%Friedel-Crafts%Eaton′s試劑%一鍋法%苯併喹啉
합성%Friedel-Crafts%Eaton′s시제%일과법%분병규람
Synthesis%Friedel-Crafts%Eaton′sreagent%one-pot%benzo[h]quinoline
以2-氯甲基-3-苯并喹啉甲酸乙酯(1)为底物与α-萘酚、β-萘酚反应经“一锅法”合成了中间体2-(α-萘氧甲基)苯并[ h]喹啉-3-羧酸(2a)、2-(β-萘氧甲基)苯并[ H]喹啉-3-羧酸(2b)。化合物2a,2b在Eaton′s试剂作用下合成两种新型六环稠杂环化合物萘并[2′,1′,6,7]氧杂卓并[3,4-b]苯并喹啉-7(14H)-酮(3a)和萘并[1′,2′,6,7]氧杂卓并[3,4-b]苯并喹啉-15(8H)-酮(3b)。化合物2a,2b发生分子内傅一克酰基化闭环反应,所合成的新化合物2a、2b、3a、3b的结构经红外光谱、核磁共振谱、质谱及元素分析等得以确认。
以2-氯甲基-3-苯併喹啉甲痠乙酯(1)為底物與α-萘酚、β-萘酚反應經“一鍋法”閤成瞭中間體2-(α-萘氧甲基)苯併[ h]喹啉-3-羧痠(2a)、2-(β-萘氧甲基)苯併[ H]喹啉-3-羧痠(2b)。化閤物2a,2b在Eaton′s試劑作用下閤成兩種新型六環稠雜環化閤物萘併[2′,1′,6,7]氧雜卓併[3,4-b]苯併喹啉-7(14H)-酮(3a)和萘併[1′,2′,6,7]氧雜卓併[3,4-b]苯併喹啉-15(8H)-酮(3b)。化閤物2a,2b髮生分子內傅一剋酰基化閉環反應,所閤成的新化閤物2a、2b、3a、3b的結構經紅外光譜、覈磁共振譜、質譜及元素分析等得以確認。
이2-록갑기-3-분병규람갑산을지(1)위저물여α-내분、β-내분반응경“일과법”합성료중간체2-(α-내양갑기)분병[ h]규람-3-최산(2a)、2-(β-내양갑기)분병[ H]규람-3-최산(2b)。화합물2a,2b재Eaton′s시제작용하합성량충신형륙배주잡배화합물내병[2′,1′,6,7]양잡탁병[3,4-b]분병규람-7(14H)-동(3a)화내병[1′,2′,6,7]양잡탁병[3,4-b]분병규람-15(8H)-동(3b)。화합물2a,2b발생분자내부일극선기화폐배반응,소합성적신화합물2a、2b、3a、3b적결구경홍외광보、핵자공진보、질보급원소분석등득이학인。
The hitherto unreported benzo[h]naphtho[1′,2′,6,7]oxepino[3,4-b] quinolin-17(8H) -one (3a) was synthesized by the intramolecular Friedel -Crafts acylation reaction of 2 -(( naphthalen -2 -yloxy)methyl)benzo[h]quinoline -3-carboxylic acid 2 under the treatment of Eaton′s reagent (P2O5 -Me-SO3 ) .The precursor 2 was prepared through one -pot reaction of ethyl 2-( chloromethyl ) benzo [ h] quinoline-3-carboxylate 1 with α-naphthol or β-naphthol .The substrate 1 was obtained in good yield by a mild , effi-cient and direct reaction of α-naphthylamine with 4 -chloroacetoacetate under the treatment of Vilsmeier -Haack reagent.The structures of all the new compounds were identified by ESI -MS, IR, NMR spectra and Ele-mental analysis .