70474-57-6Relevant articles and documents
Studies on heterocyclic compounds; I. Synthesis of thiophene derivatives of protoberberine alkaloids
Jeganathan,Srinivasan
, p. 195 - 198 (1979)
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Studies on Heterocyclic Compounds: Part II - Synthesis of Thiophene Isosters of Aporphine Alkaloids
Jeganathan, S.,Srinivasan, M.
, p. 312 - 313 (2007/10/02)
Photosynthesis of N-carbethoxy-1,2-dimethoxy-4,5,6-trihydrobenzothienoquinoline (6a) and the 1-benzyloxy compound (6b), which are D-ring thiophene isosters of N-carbethoxy aporphine derivatives, is described.The synthetic sequence involves Bisc