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Original Sensible Seeds Shop: High THC Strains

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InvisibleAcyl
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Woodward’s Synthesis of Vitamin B12
    #6882783 - 05/06/07 11:37 PM (16 years, 8 months ago)

Nine chiral centers, a hundred workers and 11 years of effort for the complete synthesis of vitamin B12.. That little sulfur trick at the end was pretty sexy also.

http://www.ias.ac.in/resonance/June2003/pdf/June2003p8-16.pdf

Props to Woodward and his team. :mushroom2:


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OfflineToboggan
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Re: Woodward’s Synthesis of Vitamin B12 [Re: Acyl]
    #6915613 - 05/14/07 05:28 PM (16 years, 8 months ago)

Quote:

MusicMyRock said:
Nine chiral centers, a hundred workers and 11 years of effort for the complete synthesis of vitamin B12.. That little sulfur trick at the end was pretty sexy also.

http://www.ias.ac.in/resonance/June2003/pdf/June2003p8-16.pdf


Props to Woodward and his team. :mushroom2:




Vitamin B12 is a monster of a molecule!
Woodward had done some amazing things in his life. Have you read Classics in Total Synthesis? His last few of steps for Reserpine were brilliant!


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"A man who wants to lead the orchestra must turn his back on the crowd"


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Offlinedelta9
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Re: Woodward’s Synthesis of Vitamin B12 [Re: Acyl]
    #6915909 - 05/14/07 06:14 PM (16 years, 8 months ago)

Nice paper :smile:


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InvisibleAcyl
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Re: Woodward’s Synthesis of Vitamin B12 [Re: Toboggan]
    #6917749 - 05/14/07 10:52 PM (16 years, 8 months ago)

Nope, but I'll check that out later tonight.


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InvisibleAcyl
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Re: Woodward’s Synthesis of Vitamin B12 [Re: Toboggan]
    #6917881 - 05/14/07 11:16 PM (16 years, 8 months ago)

Woodward is fast becoming my new favourite artist.

Formation of the y-lactone to strain the entire molecule followed by an acid catalyzed epimerization to give the desired stereoisomer.. brilliant...


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Edited by MusicMyRock (05/14/07 11:58 PM)


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InvisibleColonel Kurtz Ph.D
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Re: Woodward’s Synthesis of Vitamin B12 [Re: Acyl]
    #6934706 - 05/18/07 01:03 PM (16 years, 8 months ago)

Are you guys talking about a new kind of music? :confused:


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InvisibleAcyl
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Re: Woodward’s Synthesis of Vitamin B12 [Re: Colonel Kurtz Ph.D]
    #6935026 - 05/18/07 02:54 PM (16 years, 8 months ago)

No..?


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