Carbonic acid 2,4-di-tert-butyl-6-Nitro-phenyl ester Methyl ester

Uses

2,4-Di-tert-butyl-6-nitrophenyl Methyl Carbonate + 2,4-Di-tert-butyl-5-nitrophenyl Methyl Carbonate (Mixture of Regioisomers) is an intermediate in the synthesis of Ivacaftor (4-tertbutyl-d9) (Major) (I940603). Ivacaftor (4-tertbutyl-d9) (Major) is isotopically labelled form of Ivacaftor (I940600), which is used in the treatment of cystic fibrosis.