Rose, Janet E.; Leeson, Paul D.; Gani, David, Journal of the Chemical Society. Perkin transactions I, 1992, # 13, p. 1563 - 1566
作者:Rose, Janet E.、Leeson, Paul D.、Gani, David
DOI:——
日期:——
Synthesis of 3-fluorodiaminopimelic acid isomers as inhibitors of diaminopimelate epimerase: stereocontrolled enzymatic elimination of hydrogen fluoride
作者:Michael H. Gelb、Yukang Lin、Michael A. Pickard、Yonghong Song、John C. Vederas
DOI:10.1021/ja00168a045
日期:1990.6
Stereospecific synthesis of α-deuteriated α-amino acids: regiospecific deuteriation of chiral 3-isopropyl-2,5-dimethoxy-3,6-dihydropyrazines
作者:Janet E. Rose、Paul D. Leeson、David Gani
DOI:10.1039/p19950000157
日期:——
Base-catalysed deuteriation of (3R)- or (3S)-3-isopropyl-2.5-dimethoxy-3,6-dihydropyrazines in refluxing (CH3OH)-H-2-(H2O)-H-2 gives the [6-H-2(2)]-isotopomer in excellent yields without disturbing the stereogenic centre at C-3. These compounds provide convenient and efficient access to a range of (R)- and (S)-alpha-deuteriated alpha-amino acids, including serine, aspartic acid, allylglycine and phenylalanine, via alkylation of the butyllithium generated C-6 anion.
An improved synthesis of deuterated Schöllkopf’s bis-lactim ether and its use for the asymmetric synthesis of (R)-[α-2H]-phenylalanine methyl esters
作者:Piers J.M. Taylor、Steven D. Bull
DOI:10.1016/j.tetasy.2006.04.005
日期:2006.4
deuteration at its C6-position affording its corresponding (S)-[6-2H2]-isotopomer in excellent yield with no loss of stereochemical integrity at its C3-stereocentre. The lithium aza-enolate of this deuterated chiral template has been alkylated with a range of substituted benzyl bromides to afford (3S,6R)-[6-2H]-3-isopropyl-6-benzyl-bis-lactim ethers that were hydrolysed to afford their corresponding (R)-[α-2H]-phenylalanine