107462-39-5Relevant articles and documents
Synthetic Approaches to Fumitremorgins. III. Synthesis of Optically Active Pentacyclic Ring Systems, and Their Oxidation at Ring C
Nakagawa, Masako,Fukushima, Hiroshi,Kawate, Tomohiko,Hongu, Mitsuya,Une, Teruaki,et al.
, p. 23 - 32 (2007/10/02)
Pictet-Spengler reaction of L-tryptophan methyl ester (9) and 6-methoxy-L-tryptophan methyl ester (40) with isovaleraldehyde (10) in methylene chloride in the presence of trifluoroacetic acid gave the cis-tetrahydro-β-carboline (11, 41) as the major isome