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Piperaceae alkaloids: Part IV . Structure and Synthesis of Cyclostachine A, Cyclostachine B and Cyclopiperstachine
Author(s) -
Joshi Balawant S.,
Viswanathan Narayanan,
Gawad Dilip H.,
Balakrishnan Venkatachalam,
von Philipsborn Wolfgang
Publication year - 1975
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19750580810
Subject(s) - chemistry , piperaceae , stereochemistry , piper , alkaloid , traditional medicine , medicine
Three new alkaloids designated as cyclostachine A (2), cyclostachine B (7) and cyclopiperstachine (10) have been isolated from Piper trichostachyon C. DC . Their structures have been derived on the basis of spectral and degradative studies and confirmed by synthesis. The 1 H‐ and 13 C‐NMR. spectra of these compounds are discussed.