Synthesis of anti-[2.2](2,6)benzothiazolophane: The first example of [2.2]benzofused heterophane.

被引:8
作者
Mashraqui, SH
Nivalkar, KR
机构
[1] Department of Chemistry, University of Mumbai, Santacruz ( E )
关键词
D O I
10.1016/S0040-4039(97)00909-X
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Synthesis of the first [2.2] benzofused heterophane 8 is described via photodecarboxylation of bislactone 7. Dynamic H-1 NMR studies suggest that 8 is conformationally rigid whereas 7 is conformationally mobile on the NMR time scale. (C) 1997 Published by Elsevier Science Ltd.
引用
收藏
页码:4487 / 4488
页数:2
相关论文
共 16 条
[1]   MACRO RINGS .18. RESTRICTED ROTATION AND TRANSANNULAR ELECTRONIC EFFECTS IN THE PARACYCLOPHANES [J].
CRAM, DJ ;
WECHTER, WJ ;
KIERSTEAD, RW .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1958, 80 (12) :3126-3132
[2]   [2.2](2,6)PYRAZINOPHANES AND [2.2](2,5)PYRAZINOPHANES - SYNTHESIS AND MOLECULAR-STRUCTURE [J].
EIERMANN, U ;
KRIEGER, C ;
NEUGEBAUER, FA ;
STAAB, HA .
CHEMISCHE BERICHTE, 1990, 123 (03) :523-533
[3]  
FERRID HA, 1994, TETRAHEDRON, V50, P8665
[4]   SYNTHESIS AND CONFORMATIONAL RIGIDITY OF [2,2]METACYCLO-2,6-PYRIDINOPHANE [J].
FLETCHER, JR ;
SUTHERLAND, IO .
JOURNAL OF THE CHEMICAL SOCIETY D-CHEMICAL COMMUNICATIONS, 1969, (24) :1504-+
[5]  
Mashraqui SH, 1996, INDIAN J CHEM B, V35, P1031
[6]   CYCLOPHANES .14. SYNTHESIS, STRUCTURE ASSIGNMENT, AND CONFORMATIONAL PROPERTIES OF [2.2](2,5)OXAZOLOPHANES AND THIAZOLOPHANES [J].
MASHRAQUI, SH ;
KEEHN, PM .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1982, 104 (16) :4461-4465
[7]   CYCLOPHANES .16. SYNTHESIS AND CONFORMATIONAL BEHAVIOR OF 2,11-DITHIA[3.3](3,5)ISOXAZOLOPARACYCLOPHANE, 2,11-DITHIA[3.3](3,5)ISOXAZOLOMETACYCLOPHANE, AND [2.2](3,5)ISOXAZOLOPARACYCLOPHANE [J].
MASHRAQUI, SH ;
KEEHN, PM .
JOURNAL OF ORGANIC CHEMISTRY, 1983, 48 (08) :1341-1344
[8]  
MASHRAQUI SH, 1996, SYN COMMUN, V26, P3535
[9]  
MITCHELL RH, 1978, HETEROCYCLES, V11, P563
[10]  
NEWKOME GR, 1977, CHEM REV, V73, P523