Hydroxy-PEG12-t-butyl ester is a PEG derivative containing a hydroxyl group and a t-butyl ester. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. Under acidic conditions, the t-butyl protected carbox
Amino-PEG3-t-butyl ester is a PEG derivative containing an amino group with the t-butyl protected carboxyl group. The t-butyl protected carboxyl group can be deprotected under acidic conditions.
Pemetrexed Diethyl Ester is a protected intermediate in the synthesis of Pemetrexed, a multi-targeted anti-folate that inhibits thymidylate synthase as well as other folate dependent enzymes.
N-Fmoc-8-aminooctanoic acid can be used as a PROTAC linker in the synthesis of PROTACs. N-Fmoc-8-aminooctanoic acid is an alkane chian with terminal Fmoc-protected amine and carboxylic acid groups. The Fmoc group can be deprotected under basic condition to obtain the free amine which can be used for further conjugations. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond.