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Chemistry Forums for Students => Organic Chemistry Forum => Organic Spectroscopy => Topic started by: Murka on June 16, 2013, 12:00:50 PM

Title: 2 questions, HOOH IR Spectrum and Amide defense group on benzene
Post by: Murka on June 16, 2013, 12:00:50 PM

Hey guys,

I'm doing a project about Hydrogen Peroxide, and I need to compare my IR spectrum to a "experimental literary source".
I need to find both a visual spectrum and peak numbers.
I've checked SDBS, NIST and SciFinder...no luck...
Can anyone help with that?

Also, I'm doing an experiment about Electrophilic Aromatic Substitution with the final product being Para-Bromoaniline.
I'm supposed to use an Amide group to "defend" the Ortho positions from taking the bromine, and I'm asked how come the Amide group defends both the Ortho positions and not just one.
Originally I thought this was because the degree of freedom the single bond between the aromatic ring and the amide group has (Swivels around the axis), but I was told this is not the case...

Thanks in advance,
Mark

Title: Re: 2 questions, HOOH IR Spectrum and Amide defense group on benzene
Post by: camptzak on June 16, 2013, 01:03:43 PM

there's an IR spec in this paper:
https://helda.helsinki.fi/bitstream/handle/10138/21121/spectros.pdf?sequence=5

also, people protect nitrogen with this compound:
http://en.wikipedia.org/wiki/Di-tert-butyl_dicarbonate

your compound when potected will look like this:
http://www.sigmaaldrich.com/medium/structureimages/23/mfcd00043723.png

the Boc group is bulky, and will protect the ortho positions

Title: Re: 2 questions, HOOH IR Spectrum and Amide defense group on benzene
Post by: Murka on June 16, 2013, 02:56:01 PM

Thanks!