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Topic: synthesis  (Read 4723 times)

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imnole

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synthesis
« on: July 24, 2005, 07:15:32 PM »
Outline all steps in the synthesis of each of the following compounds using only the organic starting material given, plus any needed organic/inorganic reagents.


1-bromopropane from 2-bromopropane


here's what i have so far....

CH3CHCH3

CH2-CH2-CH3     1 = SINGLE BOND
  1
Br  

NEED *delete me*  THANKS!
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Offline Donaldson Tan

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Re:synthesis
« Reply #1 on: July 24, 2005, 08:10:12 PM »
Here's a hint: make propene

 ::)
« Last Edit: July 24, 2005, 08:11:33 PM by geodome »
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"Say you're in a [chemical] plant and there's a snake on the floor. What are you going to do? Call a consultant? Get a meeting together to talk about which color is the snake? Employees should do one thing: walk over there and you step on the friggin� snake." - Jean-Pierre Garnier, CEO of Glaxosmithkline, June 2006

alcohol

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Re:synthesis
« Reply #2 on: August 01, 2005, 04:01:51 AM »
hello

first make dehydrohalogenation to 1-bromopropane  by using C2H5ONa & EtOH at 55 C0 as follow:

CH3CH(Br)CH3 CH2=CHCH3

then use anti markanikove rule by adding the HBr in presence of H2O2 to give 1-bromopropane


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The Good Doctor

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Re:synthesis
« Reply #3 on: August 16, 2005, 02:36:51 PM »
3 steps:
elimnation to the propene (ex. KOtBu)
Hydroboration (BH3, NaOOH)
Bromination (PBr3)
cheers
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