Author: Tardibono, Lawrence P.; Miller, Marvin J.; Balzarini, Jan
Title: Enantioselective syntheses of carbocyclic nuleosides 5′-homocarbovir, epi-4′-homocarbovir and their cyclopropylamine analogs using facially selective Pd-mediated allylations Cord-id: jgbxupa4 Document date: 2011_2_1
ID: jgbxupa4
Snippet: Carbocyclic nucleosides (−)-5′-homocarbovir and (+)-epi-4′-homocarbovir were prepared from an acylnitroso-derived hetero Diels–Alder cycloadduct. A kinetic enzymatic resolution generated an enantiopure aminocyclopentenol and Pd(0)-mediated decarboxylative allylations of allyl 2,2,2-trifluoroethyl malonates were used to install the 4′-hydroxyethyl groups. Late stage derivatization gave access to the cyclopropylamine congenors, (−)-5′-homoabacavir and (+)-epi-4′-homoabacavir. All c
Document: Carbocyclic nucleosides (−)-5′-homocarbovir and (+)-epi-4′-homocarbovir were prepared from an acylnitroso-derived hetero Diels–Alder cycloadduct. A kinetic enzymatic resolution generated an enantiopure aminocyclopentenol and Pd(0)-mediated decarboxylative allylations of allyl 2,2,2-trifluoroethyl malonates were used to install the 4′-hydroxyethyl groups. Late stage derivatization gave access to the cyclopropylamine congenors, (−)-5′-homoabacavir and (+)-epi-4′-homoabacavir. All carbonucleoside target molecules were evaluated for antiviral activity.
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