So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Cole, Kevin P.; Ryan, Sarah J.; McClary Groh, Jennifer; Miller, Richard D. researched the compound: 1-Piperidineacetic Acid( cas:3235-67-4 ).Related Products of 3235-67-4.They published the article 《Reagent-free continuous thermal tert-butyl ester deprotection》 about this compound( cas:3235-67-4 ) in Bioorganic & Medicinal Chemistry. Keywords: amino acid continuous plug flow reactor thermal BOC deprotection; continuous plug flow reactor thermal BOC deprotection; Continuous processing; Flow chemistry; Plug flow reactor; Thermolysis; tert-Butyl ester deprotection. We’ll tell you more about this compound (cas:3235-67-4).
Continuous processing enables the use of non-standard reaction conditions such as high temperatures and pressures while in the liquid phase. This expands the chemist’s toolbox and can enable previously unthinkable chem. to proceed with ease. For a series of amphoteric amino acid derivatives, we have demonstrated the ability to hydrolyze the tert-Bu ester functionality in protic solvent systems. Using a continuous plug flow reactor at 120-240 °C and 15-40 min reaction times, no pH modification or addnl. reagents are needed to achieve the desired transformation. The method was then expanded to encompass a variety of more challenging substrates to test selectivity and racemization potential. The acid products were generally isolated as crystalline solids by simple solvent exchange after the deprotection reaction in good to high yield and purity.
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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem