Tetrahedron Letters p. 7217 - 7218 (1989)
Update date:2022-08-16
Topics:
Arai, Sadao
Yafune, Takuya
Okubo, Masaki
Hida, Mitsuhiko
The azonia derivative of hexahelicine, 4a-azoniaphenanthro<3,4-c>phenanthrene perchlorate, has been synthesized by photo-cyclization of 2-styrylnaphtho<1,2-a>quinolizinium perchlorate.
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(1993)Doi:10.1055/s-2008-1032027
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(2006)Doi:10.1080/00397911.2017.1410894
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