2-[(Trimethylsilyl)ethynyl]aniline (2-(2-Trimethylsilylethynyl)aniline) may be used in the synthesis of:N-(2-trimethylsilylethynylphenyl)methanesulfonamide8-(2-((trimethylsilyl)ethynyl)phenylamino)-7H-naphtho[1,8-bc]acridin-7-one2-phenyl-4-alkoxy quinolines