Synthesis of orthogonally protected optically pure β-amino acids: Constrained phenylalanine analogs 3-tert-butoxycarbonylamino-1,2,3,4-tetrahydro-2-naphthoic acid benzyl ester
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Add time:08/30/2019 Source:sciencedirect.com
The synthesis of orthogonally protected β-amino acid 3-tert-butoxycarbonylamino-1,2,3,4-tetrahydro-2-naphthoic acid benzyl ester (Boc-βAtc-OBn) is described. The route to these constrained phenylalanine analogs features a SmI2-mediated aziridine cleavage resulting in a β-amino ester. The stereochemistries have been determined by X-ray crystallographic analyses.
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