Electron impact mass spectrometry of hemiterpenoid tricyclic quinoline alkaloids | Zendy

Sturaro Alberto | Zendy; Traldi Pietro | Zendy; Bravo Pierfrancesco | Zendy; Viani Fiorenza | Zendy; Resnati Giuseppe | Zendy

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Electron impact mass spectrometry of hemiterpenoid tricyclic quinoline alkaloids

Author(s) -

Sturaro Alberto,

Traldi Pietro,

Bravo Pierfrancesco,

Viani Fiorenza,

Resnati Giuseppe

Publication year - 1987

Publication title -

organic mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.475

H-Index - 121

eISSN - 1096-9888

pISSN - 0030-493X

DOI - 10.1002/oms.1210220714

Subject(s) - quinoline , mass spectrometry , isomerization , chemistry , electron ionization , mass , mass spectrum , tricyclic , medicinal chemistry , computational chemistry , stereochemistry , organic chemistry , chromatography , ion , catalysis , ionization

The mass spectral behaviour of some quinoline‐type alkaloids, 3,4‐dihydro‐2 H ,5 H ‐pyrano[3,2‐ c ]quinolin‐5‐ones, isomeric 3,4‐dihydro‐2 H ,5 H ‐pyrano[2,3‐ b ]quinolin‐5‐ones and 2 H ,5 H ‐pyrano[3,2‐c]quinolin‐5‐ones, was studied in detail with the aid of linked scans, exact mass measurements and collisional spectrometry. The occurrence of a partial isomerization of the differently annulated isomers to a common, open‐chain structure is discussed.

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