16_purine

16_purine - 5.451 F2005 Alkaloid Biosynthesis: Nitrogen...

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Amino Acids: Ornithine Lysine Tyrosine Tryptophan Purine Starting materials: Amino acids and nucleic acids NMe HN OH O H H N N N N O O CH 3 CH 3 H 3 C N Me O CO 2 Me O pseudopelletierine nicotine N N Me H caffeine ergot O NCH 3 HO HO H H morphine CO 2 NH 3 OH N H NH 3 CO 2 N N N N NH 2 O OH OH O P -O O - O NH 3 CO 2 H 3 N CO 2 H 3 N NH 3 N Me O cocaine ornithine purine tyrosine lysine tryptophan 5.451 F2005 Alkaloid Biosynthesis: Nitrogen containing compounds ( fungus) rebeccamycin staurosporine
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5.451 F2005 Alkaloid Biosynthesis: Purine Derived Products: Caffeine T Figure removed due to copyright reasons. Please see Figure 4 in Trends Plant Sci 6 (2001): 407.
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Alkaloid Biosynthesis: Purine Derived Products: Caffeine Genetically engineered decaf coffee 70% reduction in caffeine content by using RNAi of theobromine synthase otherwise normal phenotype Nature (2003) 423, 823 Recently discovered natural variant deficient in caffeine synthase Nature (2004) 429, 826. Promoter of the 3 methyl transferases recently discovered
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This note was uploaded on 11/27/2011 for the course CHEM 5.43 taught by Professor Timothyf.jamison during the Spring '07 term at MIT.

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16_purine - 5.451 F2005 Alkaloid Biosynthesis: Nitrogen...

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