Synthesis and cycloaromatization of a cyclic enyne-allene prodrug

被引:27
作者
Bekele, T [1 ]
Brunette, SR [1 ]
Lipton, MA [1 ]
机构
[1] Purdue Univ, Dept Chem, W Lafayette, IN 47907 USA
关键词
D O I
10.1021/jo034278w
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A simple and stable cyclic enediynone (4) has been synthesized using an intramolecular Nozaki-Hiyama-Kishi cyclization as the key step. Reaction with a thiolate nucleophile led to rapid cycloaromatization of 4. Trapping experiments using 1,4-cyclohexadiene support the intermediacy of an aromatic diradical in the cycloaromatization.
引用
收藏
页码:8471 / 8479
页数:9
相关论文
共 52 条
[31]   DESIGN AND DYNAMICS OF A CHEMICALLY TRIGGERED REACTION CASCADE LEADING TO BIRADICAL FORMATION AT SUBAMBIENT TEMPERATURE [J].
MYERS, AG ;
DRAGOVICH, PS .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1989, 111 (25) :9130-9132
[32]   STUDIES ON THE THERMAL GENERATION AND REACTIVITY OF A CLASS OF (SIGMA,PI)-1,4-BIRADICALS [J].
MYERS, AG ;
DRAGOVICH, PS ;
KUO, EY .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (24) :9369-9386
[33]   THERMAL GENERATION OF ALPHA,3-DEHYDROTOLUENE FROM (Z)-1,2,4-HEPTATRIEN-6-YNE [J].
MYERS, AG ;
KUO, EY ;
FINNEY, NS .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1989, 111 (20) :8057-8059
[34]   BIRADICAL FORMATION FROM ACYCLIC CONJUGATED ENEYNE-ALLENE SYSTEM RELATED TO NEOCARZINOSTATIN AND ESPERAMICIN-CALICHEMICIN [J].
NAGATA, R ;
YAMANAKA, H ;
OKAZAKI, E ;
SAITO, I .
TETRAHEDRON LETTERS, 1989, 30 (37) :4995-4998
[35]   DNA CLEAVAGE BY ACYCLIC ENEYNE-ALLENE SYSTEMS RELATED TO NEOCARZINOSTATIN AND ESPERAMICIN-CALICHEAMICIN [J].
NAGATA, R ;
YAMANAKA, H ;
MURAHASHI, E ;
SAITO, I .
TETRAHEDRON LETTERS, 1990, 31 (20) :2907-2910
[36]   DESIGNED ENEDIYNES - A NEW CLASS OF DNA-CLEAVING MOLECULES WITH POTENT AND SELECTIVE ANTICANCER ACTIVITY [J].
NICOLAOU, KC ;
DAI, WM ;
TSAY, SC ;
ESTEVEZ, VA ;
WRASIDLO, W .
SCIENCE, 1992, 256 (5060) :1172-1178
[37]   SYNTHESIS AND CHEMISTRY OF DYNEMICIN-A MODELS [J].
NICOLAOU, KC ;
SMITH, AL ;
WENDEBORN, SV ;
HWANG, CK .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1991, 113 (08) :3106-3114
[38]   REDOX-CONTROLLED BERGMAN CYCLOAROMATIZATIONS - DESIGNED ENEDIYNES WITH DNA-CLEAVING PROPERTIES AND ANTITUMOR-ACTIVITY [J].
NICOLAOU, KC ;
LIU, A ;
ZENG, Z ;
MCCOMB, S .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (24) :9279-9282
[39]   CHEMISTRY AND BIOLOGY OF THE ENEDIYNE ANTICANCER ANTIBIOTICS [J].
NICOLAOU, KC ;
DAI, WM .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1991, 30 (11) :1387-1416
[40]   THE ENERGY WELL OF DIRADICALS .5. 1,3,5-CYCLOHEXATRIENE-1,4-DIYL AND 2,4-CYCLOHEXADIENE-1,4-DIYL [J].
ROTH, WR ;
HOPF, H ;
HORN, C .
CHEMISCHE BERICHTE, 1994, 127 (09) :1765-1779