A convenient, highly selective and eco-friendly N-Boc protection of pyrimidines under microwave irradiation

摘要

Protected pyrimidine nucleobases are of major importance as intermediates in the synthesis of nucleoside analogues and molecules with biological interests. We describe herein a novel practical microwave-assisted N-Boc protection of pyrimidine nucleobases under mild conditions using silica gel, avoiding treatment steps, and in increased yield.