Ethyl 1-aminocyclopentane-1-carboxylate → N-Acetyl-L-tyrosyl-L-alanine
Reaction equation
[C:1]([NH:4][C@H:5]([C:14]([NH:16][C@H:17]([C:19](C1CCCC1(N)C(OCC)=O)=[O:20])[CH3:18])=[O:15])[CH2:6][C:7]1[CH:12]=[CH:11][C:10]([OH:13])=[CH:9][CH:8]=1)(=[O:3])[CH3:2].C([O:34]C(C1(N)CCCC1)=O)C>CO>[C:1]([NH:4][C@H:5]([C:14]([NH:16][C@H:17]([C:19]([OH:20])=[O:34])[CH3:18])=[O:15])[CH2:6][C:7]1[CH:8]=[CH:9][C:10]([OH:13])=[CH:11][CH:12]=1)(=[O:3])[CH3:2]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
Ethyl N-acetyltyrosyl-alanyl-1-amino-1-cyclopentanecarboxylate, by the procedure of Example 1 from the preceding compound and ethyl-1-amino-1-cyclopentanecarboxylate, yield 88%, m.p. 168° to 171° C., [α]D20 -3.1° (c 0.2, MeOH).
Sources & evidence
- ORD record
- ord-b17d3d30b943464ea8c637bcace29672
- Source dataset
- uspto-grants-1990_02
- Patent number
- US04898930
Reaction notes
Loading…