Preparation of t-Butyl Esters of Free Amino Acids 1
β Scribed by Roeske, Roger
- Book ID
- 118157162
- Publisher
- American Chemical Society
- Year
- 1963
- Tongue
- English
- Weight
- 394 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0022-3263
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π SIMILAR VOLUMES
Enantioselective syntheses of optically active or-amino acids from glycine t-butyl ester through Schiff base employing (+)-N-alkyl-10-camphorsulfonamides as chiral auxiliaries were described. Methylation of Schiff base 5 gave high asymmetric inductions, whereas ethylation, allylation and benzylation
AbstractΓThe extension of the deprotection procedure of t-butylated carboxyl function using HNO 3 in CH 2 Cl 2 to a number of appropriately selected N-Z-derivatives of natural amino acid esters was investigated. The method was found to work effectively with alanine, phenylalanine, serine and the dip