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CAS 2154-68-9

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3-Carboxy-2,2,5,5-tetramethyl-1-pyrrolidinyloxy

Description:
3-Carboxy-2,2,5,5-tetramethyl-1-pyrrolidinyloxy, commonly referred to as a stable nitroxide radical, is characterized by its unique structure that includes a pyrrolidine ring with a carboxylic acid functional group and multiple methyl substituents. This compound is notable for its stability under ambient conditions, which is a hallmark of nitroxide radicals. The presence of the carboxylic acid group enhances its solubility in polar solvents, making it useful in various chemical applications, including as a spin label in electron paramagnetic resonance (EPR) spectroscopy. Additionally, the bulky tetramethyl substituents contribute to its steric hindrance, influencing its reactivity and interactions with other molecules. This compound is often utilized in studies involving radical chemistry, polymerization processes, and as an antioxidant due to its ability to scavenge free radicals. Its CAS number, 2154-68-9, is a unique identifier that facilitates its recognition in chemical databases and literature. Overall, this substance plays a significant role in both academic research and industrial applications.
Formula:C9H16NO3
InChI:InChI=1S/C9H16NO3/c1-8(2)5-6(7(11)12)9(3,4)10(8)13/h6H,5H2,1-4H3,(H,11,12)
InChI key:InChIKey=GEPIUTWNBHBHIO-UHFFFAOYSA-N
SMILES:CC1(C)C[C@H](C(=O)[O-])C(C)(C)N1O
Synonyms:
  • (3-Carboxy-2,2,5,5-Tetramethylpyrrolidin-1-Yl)Oxidanyl
  • (3R)-1-hydroxy-2,2,5,5-tetramethylpyrrolidine-3-carboxylate
  • (3S)-1-hydroxy-2,2,5,5-tetramethylpyrrolidine-3-carboxylate
  • (3S)-1-hydroxy-2,2,5,5-tetramethylpyrrolidine-3-carboxylic acid
  • 1-Hydroxy-2,2,5,5-Tetramethylpyrrolidine-3-Carboxylic Acid
  • 1-Pyrrolidinyloxy, 3-carboxy-2,2,5,5-tetramethyl-
  • 2,2,5,5-Tetramethyl-1-pyrrolidinyloxy-3-carboxylic acid
  • 2,2,5,5-Tetramethyl-3-carboxypyrrolidine-N-oxyl
  • 2,2,5,5-Tetramethyl-3-carboxypyrrolidinooxy
  • 2,2,5,5-Tetramethylpiperidine-1-oxyl-3-carboxylic acid
  • See more synonyms
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