supported by the National Key Research and Development Plan of China(2016YFD0501207);the China Agriculture Research System(CARS-36)
Background: Pyrroloquinoline quinone(PQQ), which is a water soluble, thermo-stable triglyceride-quinone, is widely distributed in nature and characterized as a mammalian vitamin-like redox cofactor. The objective of t...
In the work, a study of mass fragmentation routes by the electron-impact mass spectrometry data has been examined for two open chain intermediates of indole derivatives and two pyrroloquinolines. By the isolation of o...