Synthesis of the Racemates of the b-Carboline Alkaloid Chrysotricine and its Diastereomer

Zusammenfassung

The racemates of the rubiacea alkaloid Chrysotricine (1) and its diastereomer are synthesized from the isomeric mixture of linalyl oxides 3 and tryptamine in six steps, followed by separation of the diastereomers.