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6th May 2012 @ 16:49
Spectroscopic Method: MS-ESI
Substituent: Bromo
Spectrum of (3E)-3-(4-Bromobenzylidene)-1,3-dihydro-2H-indol-2-one:

Spectrum of (3E)-3-(4-Bromobenzylidene)-1,3-dihydro-2H-indol-2-one


The mass spectrum of (3E)-3-(4-Bromobenzylidene)-1,3-dihydro-2H-indol-2-one has been obtained by positive electrospray ionization (ESI). The peak at m/e =300.1 confirms the molecular mass of this compound as the molecular ion gains a proton.

Interpretation of MS Spectrum of (3E)-3-(4-Bromobenzylidene)-1,3-dihydro-2H-indol-2-one:

Peak PositionDiff. between molecular mass and peakSuspected molecules or ionsInference
300.1300-299 = 1(M+H)+Molecular ion gains a proton, 79Br isotope present.
302.1302-299 = 3(M+H)+Molecular ion gains a proton, 81Br isotope present.
332.2332-299 = 33(M+MeOH+H)+Compound gains methanol and proton.
Attached Files
Spectrum of (3E)-3-(4-Bromobenzylidene)-1,3-dihydro-2H-indol-2-one