Synthesis of betulinic acid derivatives as entry inhibitors against HIV-1 and bevirimat-resistant HIV-1 variants
Keywords: BA, betulinic acid; BVM, bevirimat; PEG, polyethylene glycol; Boc, tert-butoxycarbonyl; t-Bu, tert-butyl; Bn, benzyl; Cpd, compound; AZT, 3′-azido-3′-deoxythymidine; EDC, N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride; THF, tetrahydrofuran;