compound 6a

CC(C)C(NC(=O)OC(C)(C)C)C(=O)OC1C(CO)OC(n2ccc(N)nc2=O)C1(C)O
Reaction #359457
2-tert-butoxycarbonylamino-3-methyl-butyric acid 5-(4-amino-2-oxo-2H-pyrimidin-1-yl)-4-hydroxy-2-hydroxymethyl-4-methyl-tetrahydro-furan-3-yl ester
DOI: 10.6084/m9.figshare.5104873.v1uspto-grants-2008_11
CC(C)C(NC(=O)OC(C)(C)C)C(=O)OC1C(CO)OC(n2ccc(N)nc2=O)C1(C)O
Reaction #816516
2-tert-butoxycarbonylamino-3-methyl-butyric acid 5-(4-amino-2-oxo-2H-pyrimidin-1-yl)-4-hydroxy-2-hydroxymethyl-4-methyl-tetrahydro-furan-3-yl ester
DOI: 10.6084/m9.figshare.5104873.v1uspto-grants-2009_09
CC(C)C(NC(=O)OC(C)(C)C)C(=O)OC1C(CO)OC(n2ccc(N)nc2=O)C1(C)O
Reaction #1531002
compound 7a
DOI: 10.6084/m9.figshare.5104873.v1uspto-grants-2010_02
CC(C)C(NC(=O)OC(C)(C)C)C(=O)OC1C(CO)OC(n2ccc(N)nc2=O)C1(C)O
Reaction #1905624
2-tert-butoxycarbonylamino-3-methyl-butyric acid-5-(4-amino-2-oxo-2H-pyrimidin-1-yl)-4-hydroxy-2-hydroxymethyl-4-methyl-tetrahydro-furan-3-yl ester
DOI: 10.6084/m9.figshare.5104873.v1uspto-grants-2009_10
CC(C)C(NC(=O)OC(C)(C)C)C(=O)OC1C(CO)OC(n2ccc(N)nc2=O)C1(C)O
Reaction #1951050
compound 7a
DOI: 10.6084/m9.figshare.5104873.v1uspto-grants-2009_12