Article

Proceedings of the Indian Academy of Sciences - Section A

, Volume 53, Issue 2, pp 113-122

Synthesis of the lactone of 2-carboxy-4-hydroxy-7-methoxy-1, 2, 3, 4-tetrahydrophenanthrone

  • D. K. BanerjeeAffiliated withOrganic Chemistry Department, Indian Institute of Science
  • , G. BagavantAffiliated withOrganic Chemistry Department, Indian Institute of Science

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Summary

Starting from 6-methoxynaphthaldehyde-2, 2-carboxy-7-methoxy-1, 2, 3, 4-tetrahydrophenanthrone-4 was prepared. Sodium borohydride reduction of the keto-acid followed by chromic acid oxidation yielded the lactone of 2-carboxy-4-hydroxy-7-methoxy-1, 2, 3, 4-tetrahydrophenanthrone. Alkylation of the lactone of 2-carboxy-4-hydroxy-6-methoxytetralone was not promising.