1304428-96-3Relevant academic research and scientific papers
Synthetic studies toward isoschizogamine: Construction of pentacyclic core structure
Sugimoto, Kenji,Fujiwara, Hiroaki,Takada, Akihiro,Kim, Dong-Gil,Ueda, Hirofumi,Tokuyama, Hidetoshi
, p. 1028 - 1049 (2019/07/31)
Development of a concise construction of the pentacyclic core skeleton of isoschizogamine was described. Tetracyclic A,B,D,F-rings structure was assembled by intramolecular aza-Diels–Alder reaction via an ortho-iminoquinone methide intermediate. The C-ring was formed by oxidation of the benzylic position with a combination of Cr(CO)6 and t-BuOOH, followed by the introduction of an aminoethyl side chain, C–H oxidation of the lactam ring with CrO3 and n-Bu4NI, and final cyclization to construct the cyclic aminal moiety.
Rapid photoassisted access to N,O,S-polyheterocycles with benzoazocine and hydroquinoline cores: Intramolecular cycloadditions of photogenerated azaxylylenes
Mukhina, Olga A.,Bhuvan Kumar,Arisco, Teresa M.,Valiulin, Roman A.,Metzel, Greg A.,Kutateladze, Andrei G.
, p. 9423 - 9428 (2011/11/06)
Ring the changes: A new photoassisted approach to give conformationally constrained N,O,S-polyheterocyclic scaffolds of unprecedented topologies was achieved by intramolecular [4+4] and [4+2] cycloadditions of photogenerated o-azaxylylenes (23 examples; see scheme). The precursors can be readily assembled by simple and high-yielding reactions, thus making this a powerful synthetic method amenable to high-throughput diversity-oriented synthesis.
