Authors:
Zimmer, H
Amer, A
Baumann, FM
Haecker, M
Hess, CGM
Ho, D
Huber, HJ
Koch, K
Mahnke, K
Schumacher, C
Wingfield, RC
Citation: H. Zimmer et al., Synthesis of 8-substituted xanthines and their oxidative skeleton rearrangement to 1-oxo-2,4,7,9-tetraazaspiro[4,5]dec-2-ene-6,8,10-triones, EUR J ORG C, (9), 1999, pp. 2419-2428