Synthesis of Quinazolines from N-(2-Nitrophenylsulfonyl)iminodiacetate and alpha-(2-Nitrophenylsulfonyl)amino Ketones via 2H-Indazole 1-Oxides

[摘要]：Base-catalyzed rearrangement of 2H-indazoles 1-oxides, prepared by tandem carbon carbon followed by nitrogen nitrogen bond formations from easily accessible N-alkyl-2-nitro-N-(2-oxo-2-aryl-ethyl)-benzenesulfonamides using glycine, 2-nitrobenzenesullonyl chlorides, and bromo ketones/acetates, yielded high purity quinazolines.

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