title: Isolation of two new natural pteridines from photosynthetic bacteria, Rhodopseudomonas sphaeroides.
abstract: Two new natural pteridines have been isolated from the cultured medium of Rhodopseudomonas sphaeroides GM-1. The compounds are tentatively identified as 2-amino-4-hydroxy-6-hydroxy-6-(1,2, 3,4-tetrahydroxybutyl)pteridine and 2-amino-4-hydroxy-6-(3-hydroxy-4-phosphonoxy-1-butenyl)pteridine by degradative experiments and by electrophoretic and paper chromatographic comparison with authentic materials.
authors.affiliation: Department of Chemistry, Gakushuin University, Tokyo, Japan.
authors.forename: N
authors.initials: N
authors.lastname: Seo
authors.forename: E
authors.initials: E
authors.lastname: Okamoto
authors.forename: M
authors.initials: M
authors.lastname: Goto
mesh_terms: D003470:Culture Media; D015394:Molecular Structure; D011621:Pteridines / Q000737:chemistry / Q000302:isolation & purification*; D012241:Rhodopseudomonas / Q000032:analysis*
chemical_list: D003470:Culture Media; D011621:Pteridines; C070821:2-amino-4-hydroxy-6-(1,2,3,4-tetrahydroxybutyl)pteridine; C070822:2-amino-4-hydroxy-6-(3-hydroxy-4-phosphonoxy-1-butenyl)pteridine