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Author Topic: How to know the degree of brancing from IR data  (Read 1317 times)

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Sona

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How to know the degree of brancing from IR data
« on: April 08, 2017, 12:25:14 AM »

From the IR data, I've attached here, it is clear that it is a monosubstituted benzene. Now in the side chain what may present? isopropyl or normal propyl? Can it be said from this Ir data?
« Last Edit: April 08, 2017, 12:36:34 AM by Arkcon »
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wildfyr

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Re: How to know the degree of brancing from IR data
« Reply #1 on: April 09, 2017, 06:53:03 AM »

You can tell if specifically isopropyl is there, but other chains are tough to ID. The isopropyl split 1370 + 1385 is pretty characteristic. Some easy googling can tell you other alkane peaks, but they are not easy to interpret in my experience
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