7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid → 7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid butyryloxymethyl ester
Reaktionsgleichung
[NH2:1][CH:2]1[C:9](=[O:10])[N:8]2[CH:3]1[S:4][CH2:5][C:6]([CH3:14])=[C:7]2[C:11]([OH:13])=[O:12].C(OCC1CSC2N(C(=O)C2N)C=1C(O)=O)(=O)C.CC1CSC2N(C(=O)C2NC(=O)C(C2C=CC(CCl)=CC=2)N)C=1C(O)=O.C(O[CH2:66][O:67][C:68]([C:70]1N2C(S[CH2:76][C:77]=1C)C(NC(=O)C(C1C=CC(CCl)=CC=1)N)C2=O)=[O:69])(=O)C(C)(C)C>>[C:68]([O:67][CH2:66][O:12][C:11]([C:7]1[N:8]2[CH:3]([S:4][CH2:5][C:6]=1[CH3:14])[CH:2]([NH2:1])[C:9]2=[O:10])=[O:13])(=[O:69])[CH2:70][CH2:77][CH3:76]Komponenten
5
Edukt 4
Produkt 1
Versuchsvorschrift
When in the procedure of Example 16 an appropriate amount of 7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid or the corresponding pivalyloxymethyl ester is substituted for 3-[(acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-methyl-7-[[2-[4-(chloromethyl)phenyl]-2-aminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid and 3-methyl-7-[[2-[4-(chloromethyl)phenyl]-2-aminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid pivalyloxymethyl ester are obtained.
Aufarbeitung
- customare obtained
Quellen und Nachweise
- ORD-Eintrag
- ord-2c315c0c6af14486a029298594ca68f4
- Quelldatensatz
- uspto-grants-1977_05
- Patentnummer
- US04026887
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