Synthesis and X-ray Structural Studies of a Substituted 2,3,4,5-Tetrahydro-1H-3-benzazonine and a 1,2,3,5-Tetrahydro-4,3-benzoxazonine

被引:1
|
作者
Bailey, Timothy S. [1 ,2 ]
Bremner, John B. [3 ]
Skelton, Brian W. [4 ,5 ]
White, Allan H. [4 ]
机构
[1] Univ Tasmania, Dept Chem, Hobart, Tas 7001, Australia
[2] Tasmanian Alkaloids Pty Ltd, Westbury, Tas 7303, Australia
[3] Univ Wollongong, Sch Chem, Wollongong, NSW 2522, Australia
[4] Univ Western Australia, Sch Chem & Biochem M310, Crawley, WA 6009, Australia
[5] Univ Western Australia, Ctr Microscopy Characterisat & Anal, Crawley, WA 6009, Australia
基金
澳大利亚研究理事会;
关键词
large rings; X-ray crystal structures; benzazonine; benzoxazonine; QUATERNARY AMMONIUM-SALTS; MEDIUM-RING HETEROCYCLES; N-OXIDES; REARRANGEMENT; DERIVATIVES; YLIDES; PHOTOSOLVOLYSIS; 3-BENZAZONINE; ENLARGEMENT; SYSTEM;
D O I
10.3390/molecules20010487
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Using a common 1-(1-phenylethenyl)-1,2,3,4-tetrahydroisoquinoline precursor to the required ylide or N-oxide intermediate, the Stevens [2,3] and analogous Meisenheimer [2,3] sigmatropic rearrangements have been applied to afford concise syntheses of phenyl -substituted representatives of each of the reduced 1H-3-benzazonine and 4,3-benzoxazonine systems, respectively. Single crystal X-ray structure determinations were employed to define the conformational characteristics for each ring type.
引用
收藏
页码:487 / 502
页数:16
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