The Vespiary
The Hive => Serious Chemistry => Topic started by: WizardX on December 10, 2000, 04:07:00 AM
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(https://www.thevespiary.org/rhodium/Rhodium/hive/hiveboard/picproxie_docs/000074062-file_ihdw.jpg)
Synthesis of 4 useful precursors such as Allylbenzene, Propenylbenzene, 1-Phenyl-2-propanol and 1-Phenyl-2-chloropropane can be synthesized from 3-Phenylpropylamine.
The 3-Phenylpropylamine can be synthesized by reductive amination of 3-Phenylpropanal.
3-Phenylpropanal is made from cinnamaldehyde (3-Phenyl-2-propenal).
3-Phenyl-2-propenal==>>3-Phenylpropanal==>>3-Phenylpropylamine
PhCH=CH-CHO=========>>PhCH2CH2-CHO =====>>PhCH2CH2-CNH2
The 3-Phenylpropylamine is a primary amine. Primary amines form highly unstable diazonium salts on reaction with nitrous acid (HONO). The diazonium salt quickly loses nitrogen gas, and a n-propanyl carbocation ion is formed.
This n-propanyl carbocation ion is highly unstable itself and quickly undergoes rearrangement to a more stable carbocation; the sec-propanyl carbocation ion results.
The carbocations can either eliminate a proton, thereby producing an alkene, Allylbenzene and Propenylbenzene, or it can combine with a nucleophile for neutralization producing 1-Phenyl-2-propanol and 1-Phenyl-2-chloropropane.
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Hmm. Interesting.
Archived.
So , about these, could this be usefull on this?
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C8H11N >==+==> C9H10O ?
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TNRx
I Know, an oldish one, but... hey WDF ?
So, why does Yin-Yang look like a Supernova vis-a-vis .?