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Unforeseen alkylating effect of triethylorthoformate in the synthesis of pyrazolotriazolopyrimidine derivative

✍ Scribed by S Guccione; A Raffaelli; G Uccello Barretta; L Monsù Scolaro; S Pucci; F Russo

Publisher
Elsevier Science
Year
1995
Tongue
French
Weight
335 KB
Volume
30
Category
Article
ISSN
0223-5234

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Identification of an Impurity in the Syn
Identification of an Impurity in the Synthesis of Pharmacologically Active Pyrazolotriazolopyrimidines by a Combined Spectrometric Approach
✍ Andrea Raffaelli; Sergio Pucci; Gloria Uccello-Barretta; Filippo Russo; Salvator 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 515 KB

Pyrazolotriazolopyrimidines are synthetic organic compounds showing interesting pharmacological activity. Good structural characterization and reliable evaluation of possible impurities is very important. We report here a detailed mass spectrometric investigation using different ionization technique