title: Pteridines. XXXVII. A total synthesis of L-erythro-biopterin and some related 6-(polyhydroxyalkyl)pterins.
mesh_terms: D000478:Alkylation; D001708:Biopterins / Q000138:chemical synthesis*; D055598:Chemical Phenomena; D002621:Chemistry; D006900:Hydroxylation; D008722:Methods; D011621:Pteridines / Q000138:chemical synthesis*; D011622:Pterins / Q000138:chemical synthesis*
chemical_list: D011621:Pteridines; D011622:Pterins; D001708:Biopterins