Dihydroxyphenylalanine

A beta-hydroxylated derivative of phenylalanine. The D-form of dihydroxyphenylalanine has less physiologic activity than the L-form and is commonly used experimentally to determine whether the pharmacological effects of LEVODOPA are stereospecific.

Also Known As:

Dopa; 3,4-Dihydroxyphenylalanine; 3-Hydroxy-DL-tyrosine; Dihydroxyphenylalanine Hydrochloride, (2:1); beta-Hydroxytyrosine; 3 Hydroxy DL tyrosine; 3,4 Dihydroxyphenylalanine; beta Hydroxytyrosine; DL-Tyrosine, 3-hydroxy-

Pharmalogical Action Categories:

Dopamine Agents

Organic Chemicals: 133
- Amines: 4871
  - Catecholamines: 15682
    - Dihydroxyphenylalanine: 1494
- Hydrocarbons: 1713
  - Cyclic Hydrocarbons: 97
    - Aromatic Hydrocarbons: 291
      - Benzene Derivatives: 17
        Phenols: 677
        Catechols: 121
        Catecholamines: 15682
        Dihydroxyphenylalanine: 1494
Amino Acids, Peptides, and Proteins: 1
- Amino Acids: 30675
  - Cyclic Amino Acids: 3
    - Aromatic Amino Acids: 467
      - Tyrosine: 10509
        Dihydroxyphenylalanine: 1494
      - Phenylalanine: 4090
        Dihydroxyphenylalanine: 1494

3,4,6-trihydroxyphenylalanine quinone

Bio-Agent Context: Research Results