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US 2011/0257388 A1Published application
Cefdinir acid double salt and method for producing the same
AssigneeZhejiang Adamerck Biopharmlabs Inc.
InventorsYoumao QI, Fengqi YE, Qing JIE, Yingbei QI, Fengmin ZHANG, Baochun YU, Tianjian YE, Meiping YU
Life of this patent
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Abstract
A compound represented by Formula I, wherein M represents Na+, K+, NH4+, or Cs+; and 1) when Y represents SO42−: when m=1, then n=1; and when m=0.5, then n=1.5; and 2) when Y represents PO42−, when m=1, then n=2. The compound has good solubility and high bioavailability and can be formulated into oral pharmaceutical preparations and pharmaceutical preparations for injections.
Claims10
A cefdinir acid double salt represented by Formula I
- wherein
- M represents Na+, K+, NH4+, or Cs+;
- Y represents SO42− PO42−;
- and
- 1) when Y represents SO42−:
- when m=1, then n=1;
- when m=0.5, then n=1.5;
- and
- 2) when Y represents PO42−:
- when m=1, then n=2.
7 more elements
Dependencies are inferred from the claim text.