Patent · US Expired

Amino acid derivatives and methods of making the same

US6590106B2 · kind B2 · utility

0Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 21, 2002
Grant dateJul 8, 2003
Priority date
Expiry dateJun 21, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disclosed are novel compounds represented by Structural Formula II, IX or XXVIII: R1, R2, and R22 are independently an aliphatic group, a substituted aliphatic group, an aromatic group or a substituted aromatic group.R2 is —NR4R5 or —N+≡C−.Alternatively, R1, and R2, taken together with the methine group to which they are bonded, are a moiety represented by the following structural formula: R3 is —NH2, —OH, —OC(O)H or —OR9.R5, R6 and R7 are independently —H or an amine protecting group.R8 is —H, —OH or —OR8.R9 is an alcohol protecting group.Also disclosed are methods of preparing these compounds.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.