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Regiocontrolled Benzannulation of Diaryl(gem-dichlorocyclopropyl)methanols for the Synthesis of Unsymmetrically Substituted α-Arylnaphthalenes: Application to Total Synthesis of Natural Lignan Lactones.

✍ Scribed by Yoshinori Nishii; Taichi Yoshida; Hirofumi Asano; Kazunori Wakasugi; Jun-ichi Morita; Yoshifumi Aso; Eri Yoshida; Jiro Motoyoshiya; Hiromu Aoyama; Yoo Tanabe

Book ID
101980291
Publisher
John Wiley and Sons
Year
2005
Weight
43 KB
Volume
36
Category
Article
ISSN
0931-7597

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Regiocontrolled benzannulation of diaryl
Regiocontrolled benzannulation of diaryl(gem-dichlorocyclopropyl)methanols for the synthesis of “unsymmetrically” substituted α-arylnaphthalenes
✍ Yoshinori Nishii; Taichi Yoshida; Yoo Tanabe 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 216 KB

Aryll(aryl2)(gem-dichlorocyclopropyl)methanols 1 underwent alternative benzannulation to give "unsymmetrically" substituted l-(aryll)-4-chloronaphthalenes 21A catalyzed by SnCI4 or TiCI4 and to give 1-(aryl2)-4-chloronaphthalenes 2/B catalyzed by silyl triflates with good to excellent selectivities.