HuagongsheHuagongshe Chemistry Print Report · For research reference only
7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid → (Pivaloyloxy)methyl (6R-trans)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid | HCID 1883 | — |
| Reactant | 3-((Acetyloxy)methyl)-7-amino-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid | HCID 13729 | — |
| Reactant | Chloromethyl propionate | HCID 221144 | — |
| Reactant | 4-Chloro-2,2-dimethylbutanoate | HCID 21753047 | — |
| Product | (Pivaloyloxy)methyl (6R-trans)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylate | HCID 119617 | — |
Reaction Steps
When in the procedure of Example 8 appropriate amounts of 3-methyl-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid and chloromethylpivalate are substituted respectively for 3-[(acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid and chloromethylpropionate, 3-methyl-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid pivalyloxymethyl ester is obtained.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04093802 |
| Source dataset | uspto-grants-1978_06 |
| ORD ID | ord-935a99ac1d5a44c8828f0b6ab92dbcf4 |
| Source note | uspto-grants-1978_06 |