(Z)-2-(Methoxycarbonylmethoxyimino)-2-(2-aminothiazol-4-yl)acetic acid
- CAS NO.：80544-17-8
- Empirical Formula: C8H9N3O5S
- Molecular Weight: 259.24
- MDL number: MFCD07782100
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:53:07
What is (Z)-2-(Methoxycarbonylmethoxyimino)-2-(2-aminothiazol-4-yl)acetic acid?
The Uses of (Z)-2-(Methoxycarbonylmethoxyimino)-2-(2-aminothiazol-4-yl)acetic acid
(Z)-2-(Methoxycarbonylmethoxyimino)-2-(2-aminothiazol-4-yl)acetic acid can be used as an intermediate in organic synthesis.
The Uses of (Z)-2-(Methoxycarbonylmethoxyimino)-2-(2-aminothiazol-4-yl)acetic acid
(Z)-2-(2-amino-4-thiazolyl)-2-methoxycarbonylmethoxyiminoacetic acid (cefixime side chain acid) is an important side chain for the synthesis of the third and fourth generation cephalosporins It is of great economic and practical value to strengthen its research and development.
Preparation
The synthesis of cefixime side chain acid takes tert-butyl acetoacetate as raw material, through the steps of oximation, etherification, chlorination, cyclization and hydrolysis, to synthesize (Z)-2-(2-amino Thiazol-4-yl)-2-methoxycarbonylmethoxyiminoacetic acid.
Properties of (Z)-2-(Methoxycarbonylmethoxyimino)-2-(2-aminothiazol-4-yl)acetic acid
| Melting point: | >160°C (dec.) |
| Boiling point: | 481.1±51.0 °C(Predicted) |
| Density | 1?+-.0.1 g/cm3(Predicted) |
| storage temp. | Refrigerator, under inert atmosphere |
| solubility | DMSO (Slightly), Methanol (Slightly, Heated) |
| form | Solid |
| pka | 2.40±0.10(Predicted) |
| color | White to Off-White |
Safety information for (Z)-2-(Methoxycarbonylmethoxyimino)-2-(2-aminothiazol-4-yl)acetic acid
Computed Descriptors for (Z)-2-(Methoxycarbonylmethoxyimino)-2-(2-aminothiazol-4-yl)acetic acid
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