N-[tert-butoxycarbonyl]-L-serine → N-[(1,1-Dimethylethoxy)carbonyl]-O-methyl-L-homoserine
Reaction equation
[C:1]([NH:8][C@H:9]([C:13]([OH:15])=[O:14])[CH2:10][CH2:11][OH:12])([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2].[C:16](N[C@H](C(O)=O)CO)(OC(C)(C)C)=O>>[C:1]([NH:8][C@H:9]([C:13]([OH:15])=[O:14])[CH2:10][CH2:11][O:12][CH3:16])([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2]Participants
3
Procedure
Boc-homoserine (0.51 g) was methylated as described for Boc-serine in Example 73. This afforded 0.45 g crude product which was carried on without further purification. NMR (300 MHz, CDCl3) delta 1.40 (s, 9H), 3.16 (s, 3H), 3.90 (m, 2H).
Workup
- customThis afforded 0.45 g crude product which was carried on without further purification
Sources & evidence
- ORD record
- ord-cdd7acd4b1954eb9a54b15b05bc233cb
- Source dataset
- uspto-grants-1990_06
- Patent number
- US04935405
Reaction notes
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