tert-butyl 7-amino-3,3-dimethyl-3,4,5',6'-tetrahydro-2H-spiro[naphthalene-1,4'-[1,3]thiazine]-2'-ylcarbamate 、
2-甲基恶唑-4-羧酸 以to provide tert-butyl 3,3-dimethyl-7-(2-methyloxazole-4-carboxamido)-3,4,5′,6′-tetrahydro-2H-spiro[naphthalene-1,4′-[1,3]thiazine]-2′-ylcarbamate (31 mg, 68% yield) as a solid的产率得到tert-butyl 3,3-dimethyl-7-(2-methyloxazole-4-carboxamido)-3,4,5',6'-tetrahydro-2H-spiro[naphthalene-1,4'-[1,3]thiazine]-2'-ylcarbamate