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Topic: cephalexin versus cephradine  (Read 13114 times)

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Offline AhmedEzatAlzawalaty

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cephalexin versus cephradine
« on: October 29, 2007, 07:53:12 PM »
what is the difference in structure between cephalexin and cephradine both are oral cephalosporin
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Offline agrobert

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Re: cephalexin versus cephradine
« Reply #1 on: October 29, 2007, 10:25:25 PM »

http://en.wikipedia.org/wiki/Cephalexin

http://en.wikipedia.org/wiki/Cephradine

They are pretty similar.  I think they differ in chriality.
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In the realm of scientific observation, luck is only granted to those who are prepared. -Louis Pasteur

Offline AWK

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Re: cephalexin versus cephradine
« Reply #2 on: October 30, 2007, 09:58:42 AM »
For synthesis of cefalexin a racemic C-phenylglycine is used.
Note cephalosporanic acid usually comes from a rearrangement of penicillic acid and is optically active itself.
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Offline AhmedEzatAlzawalaty

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Re: cephalexin versus cephradine
« Reply #3 on: November 04, 2007, 08:59:13 PM »
ok i got confused the difference in side chain aryl group which isnt aryl in cephradine but it is clohexadine
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