Pw. Zhang et Jm. Cook, ENANTIOSPECIFIC SYNTHESIS OF 5-METHOXY-D(-TRYPTOPHAN OR L(-)-TRYPTOPHAN()), Synthetic communications, 25(23), 1995, pp. 3883-3900
A method for the enantiospecific synthesis of 5-methoxy-D(+)-tryptopha
n 8 or the L(-)-optical antipode is described. This procedure can be s
caled up and performed without the need for extensive chromatographic
separations. It provides for the first time the synthesis of the optic
ally pure 5-methoxy-D(+) or L(-)-tryptophans required for alkaloid tot
al synthesis.