𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Electron impact mass spectrometry of triterpenoids from guayule

✍ Scribed by Roberto Martínez; Mariano Martínez-Vázquez; Olivia Zamorano-Macías

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
155 KB
Volume
25
Category
Article
ISSN
1076-5174

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Mass Spectrometry of Labelled Triterpeno
Mass Spectrometry of Labelled Triterpenoids: Thermospray and Electron Impact Ionization Analysis
✍ Horacio Heinzen; Jan X. de Vries; Patrick Moyna; Gerd Remberg; Ruben Martinez; L 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 653 KB

The mass spectra of unlabelled and specifically labelled triterpenes and derivatives were recorded using thermospray liquid chromatography (TSP-LC) and electron impact (EI) ionization. These mass spectra were used for the development of assays to characterize the products from the in vitro oxidative

Electron impact mass spectrometry of pra
Electron impact mass spectrometry of praziquantel derivatives
✍ Roberto Martinez; Manuel F. Rubio; A. Raul Cetina Rosado; Monica B. Perez Ibarra 📂 Article 📅 1991 🏛 John Wiley and Sons 🌐 English ⚖ 131 KB

The electron impact mass spectra of a series of compounds related to the anthelmintic substance praziquantel are described in sufficient detail to permit their assay in biological samples by selected ion monitoring.

Electron impact mass spectrometry of som
Electron impact mass spectrometry of some naphthoxypolymethylenethiopyrimidines
✍ Maciej Stobiecki 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 310 KB

The electron impact induced fragmentation of a large number of 2 and QS-(2-naphthoxy)-polymethylenethiouracils is discussed in detail, with the aid of exact mass measurements and observation of metastable decompositions. The 2 and Qthiopyrimidine structures can be easily distinguished by their mass

Electron impact ionization mass spectrom
Electron impact ionization mass spectrometry and tandem mass spectrometry of phenylalkylpyridazines
✍ Ernst Pittenauer; Günter Allmaier; Erich R. Schmid; Wolfgang Stanek; Gottfried H 📂 Article 📅 1991 🏛 John Wiley and Sons 🌐 English ⚖ 486 KB

The mass spectrometric fragmentation behaviour of pyridazine and four monosubstituted derivatives containing a phenylalkyl side-chnin (3-and dbenzylpyridazine, 3-and 4-Q-phenylethyl)pyridazine) was investigated. In the electron impact ionization mass spectra of the hubstituted compounds abundant [ M