Mandel LR, Rosegay A, Walker RW, Vandenheuvel WJ, Rokach J. 5-Methyltetrahydrofolic Acid as a Mediator in the Formation of Pyridoindoles.
Science 1974;
186:741-3. [PMID:
17792267 DOI:
10.1126/science.186.4165.741]
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Abstract
Enzymes from chick and rat tissues catalyze the reaction of N-methyl tryptamine with 5-methyltetrahydrofolic acid to form 2,3,4,9-tetrahydro-2-methyl-1H-pyrido[3,4b] indole. N,N-Dimethyltryptamine was not formed. With tryptamine as substrate the product is 2,3,4,9-tetrahydro-1H-pyrido[3,4b] indole and not N-methyltryptamine. These pyridoindoles were not formed when S-adenosylmethionine was cosubstrare.
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