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Competitive intramolecular nucleophilic aromatic substitution: a new route to coumarins

✍ Scribed by Alonso, Concepción; Olmstead, Marilyn M.; Nantz, Michael H.; Kurth, Mark J.

Book ID
120221044
Publisher
Royal Society of Chemistry
Year
2001
Tongue
English
Weight
59 KB
Volume
7
Category
Article
ISSN
1359-7345

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Nucleophilic aromatic substitution - a r
Nucleophilic aromatic substitution - a route to the naphthaline system from α-cyclopropylstyrene
✍ S. Brenner; E. Dunkelblum 📂 Article 📅 1973 🏛 Elsevier Science 🌐 French ⚖ 217 KB

Alkyllitkum reagents add to O(-cyclopropylstyrene (I) to produce cyclopropylcarb~nyllithium derivatives wkch undergo ring-operung to the corresponding styrenes 14 These additions were achieved either by using isopropyllitluum in 1) ether or with BULI-mDA (tetramethylethylenediamine) complex in hexa