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Hi,Please can get me following article...........................thank you

1
O-Demethylation of Opioid Derivatives with Methane Sulfonic Acid/ Methionine: Application to the Synthesis of Naloxone and Analogues
Authors: Jean-Daniel Andrea; Jean-Robert Dormoya; Alain Heymesa
Synthetic Communications,
Volume 22, Issue 16 August 1992 , pages 2313 - 2327

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http://dx.doi.org/10.1080/00397919208019086 

2
Herstellung von 6,14-Ethenomorphinan-Derivaten
Liebigs Annalen der Chemie
Pages: 915–919, János Marton, Zoltán Szabó and Sándor Hosztafi
Volume 1993, Issue 8, 12. August 1993,

Код: Выделить всё

http://dx.doi.org/10.1002/jlac.1993199301144

3
Herstellung von 6,14-Ethenomorphinan-Derivaten,
J. Marton, S. Hosztafi, S. Berényi, C. Simon and S. Makleit
Monatshefte für Chemie / Chemical Monthly
Volume 125, Number 11, 1229-1239,(1994)

Код: Выделить всё

http://dx.doi.org/10.1007/BF00813809 

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