Determination of bis(chloromethyl) ether at ppb level in air samples by high-resolution mass spectroscopy. Comments

1973 ◽  
Vol 7 (8) ◽  
pp. 744-744
Author(s):  
B. L. Van Duuren ◽  
S. Laskin ◽  
B. M. Goldschmidt
Keyword(s):  
High Resolution ◽  
Mass Spectroscopy ◽  
Air Samples ◽  
High Resolution Mass ◽  
High Resolution Mass Spectroscopy ◽  
Resolution Mass

scholarly journals 5,5′-Oxybis(1,3,7-trihydroxy-9H-xanthen-9-one): A New Xanthone from the Stem Bark of Garcinia porrecta (Clusiaceae)

Molbank ◽  
10.3390/m1153 ◽  
2020 ◽  
Vol 2020 (3) ◽  
pp. M1153
Author(s):  
Ayu N. Safitri ◽  
Nurlelasari ◽  
Tri Mayanti ◽  
Darwati ◽  
Unang Supratman
Keyword(s):  
High Resolution ◽  
Mass Spectroscopy ◽  
Spectroscopic Data ◽  
2D Nmr ◽  
Stem Bark ◽  
Spectroscopy Analysis ◽  
High Resolution Mass ◽  
High Resolution Mass Spectroscopy ◽  
Mass Spectroscopy Analysis ◽  
Resolution Mass

A new polyoxygenated dimer-type xanthone, namely 5,5′-oxybis(1,3,7-trihydroxy-9H-xanthen-9-one (1), has been isolated from the stem bark of Garcinia porrecta. The structure of 1 was determined based on spectroscopic data, including 1D and 2D-NMR as well as high resolution mass spectroscopy analysis.

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