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clubcard

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Posts posted by clubcard

  1. http://www.sciencemadness.org/library/books/ignition.pdf

     

    Rocket fuel has ALWAYS attracted those with nerves of steel or no common sense but the PDF of the above book is one I love. My favourite? An accident involving CF3 - you read it right; chlorine trifluoride.

     

    I also love that German chemist who makes 'energetic materials. Thomas M. Klapötke - http://www.chemie.uni-muenchen.de/ac/klapoetke/content/klapoetke/research/energetic_materials.html How about this:

     

    http://img139.imageshack.us/img139/4994/schemetou3.jpg[/img[


    schemetou3.jpg

     

     

    Try again!

  2. Hi,

    I've been performing a series of reductive aminations using refluxing toluene & toluenesulfonic acid and a Dean-Stark apparatus then reducing with NaBH4. So far it's worked with every example BUT this one has gone awry 3 times:

     

    yok.gif

     

    I'm guessing that the pi-bonds of the benzene and the enamine are reducing the stability of the -F (it only loses an o-F).

     

    Would the use of a dehydrating agent like TICl4 prevent this? I only ask because I have to have the series ready so I'm going on with others while I ponder (and shout a plaintive help).

     

     

    Any help would be gratefully received.

     

    Thanks.

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