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Cyclization with Nitrenium Ions Generated from N-Methoxy- or N-Allyloxy-N-chloroamides with Anhydrous Zinc Acetate. Synthesys of N-Hydroxy- and N-Methoxynitrogen Heterocyclic Compounds
作者:Yasuo Kikugawa、Masahiro Shimada、Kazuhiro Matsumoto
DOI:10.3987/com-93-s1
日期:——
Electrophilic intramolecular aromatic substitution with an N-methoxy- or an N-allyloxy-acylnitrenium ion, generated by treatment of an N-methoxy- or an N-allyloxy-N-chloroamide with anhydrous zinc acetate in nitromethane, leads to formation of a nitrogen heterocyclic compound bearing an N-methoxy- or N-allyloxy group. The latter is readily converted to the corresponding N-hydroxy compound by palladium-catalyzed removal of the allyl group.
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Sakamoto, Takeshi; Hosoda, Isao; Kikugawa, Yasuo, Journal of Heterocyclic Chemistry, 1988, vol. 25, p. 1279 - 1281
作者:Sakamoto, Takeshi、Hosoda, Isao、Kikugawa, Yasuo
DOI:——
日期:——
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Matsumoto, Kazuhiro; Kato, Miyako; Sakamoto, Takeshi, Journal of Chemical Research - Part S, 1995, # 1, p. 34 - 35
作者:Matsumoto, Kazuhiro、Kato, Miyako、Sakamoto, Takeshi、Kikugawa, Yasuo
DOI:——
日期:——
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SAKAMOTO, TAKESHI;HOSODA, ISAO;KIKUGAWA, YASUO, J. HETEROCYCL. CHEM., 25,(1988) N, C. 1279-1281
作者:SAKAMOTO, TAKESHI、HOSODA, ISAO、KIKUGAWA, YASUO
DOI:——
日期:——
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Kikugawa Yasuo, Shimada Masahiro, Matsumoto Kazuhiro, Heterocycles, 37 (1994) N 1, S 293-301
作者:Kikugawa Yasuo, Shimada Masahiro, Matsumoto Kazuhiro
DOI:——
日期:——