In an article, author is Middleton, RJ, once mentioned the application of 503-66-2, Name is 3-Hydroxypropionic Acid (contains varying amounts of 3,3-Oxydipropionic Acid), molecular formula is C3H6O3, molecular weight is 90.0779, MDL number is MFCD00058998, category is benzisoxazole. Now introduce a scientific discovery about this category, Name: 3-Hydroxypropionic Acid (contains varying amounts of 3,3-Oxydipropionic Acid).
Expedient synthesis of a novel class of pseudoaromatic amino acids: tetrahydroindazol-3-yl- and tetrahydrobenzisoxazol-3-ylalanine derivatives
A concise synthesis of novel homochiral aromatic amino acid surrogates comprising a tetrahydroindazole or a benzisoxazole system was developed via the acylation of a cyclic 1,3-diketone by the side-chain carboxyl functionality of either Boc-Asp-OtBu or Boc-Glu-OtBu followed by regioselective condensation with hydrazine, N-benzylhydrazine and hydroxylamine. The tetrahydroindazole nucleus was also constructed by the condensation of Boc-Asp-OtBu with the enamine, 1-pyrrolidino-1-cyclohexene followed by acid-hydrolytic treatment and reaction with hydrazines. Further functional group transformations gave N-alpha-Fmoc-protected derivatives as useful building blocks for solid-phase peptide assembly. (C) 2003 Elsevier Ltd. All rights reserved.
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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics