Synthesis of spiro compounds with 3-methyl-2-azafluorene, indan, pyrazoline, and cyclopropane fragments on the basis of 3-methyl-9-phenylethynyl-2-azafluoren-9-ol
Synthesis of spiro compounds with 3-methyl-2-azafluorene, indan, pyrazoline, and cyclopropane fragments on the basis of 3-methyl-9-phenylethynyl-2-azafluoren-9-ol