A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, COA of Formula: C9H17NO4, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 57294-38-9, Name is Boc-GABA-OH, molecular formula is C9H17NO4. In an article, author is Chukanov, N. V.,once mentioned of 57294-38-9.
Mechanism of the migration of the substituent in 1,2,3,7a-tetrahydroimidazo[1,2-b]isoxazole derivatives
The thermolysis of 1,2,3,7a-tetrahydroimidazo[1,2-b]isoxazole derivatives results in intramolecular rearrangements by two main pathways. One rearrangement affords azomethine ylide derivatives. Another rearrangement leads to the migration of the substituent from position 7a to the nitrogen atom. The rate constants of these reactions were determined. Quantum chemical calculations by the DFT method were carried out. Based on the data for the migration of the substituent, the concerted mechanism was proposed.
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Reference:
Isoxazole – Wikipedia,
,Isoxazole | C3H3NO – PubChem