title: 1H and 13C NMR signal assignments of some new spiro[7H-benzo[de]anthracene-naphthopyrans].
abstract: The complete 1H and 13C NMR signal assignment of four new photochromic spiro[7H-benzo[de]anthracene-naphthopyrans] was achieved using one- and two-dimensional methods (DEPT, COSY, HSQC, HMBC, NOESY).
authors.affiliation: Centro de Química - Vila Real, Universidade de Trás-os-Montes e Alto Douro, 5001-911 Vila Real, Portugal. pcoelho@utad.pt
authors.forename: Paulo J
authors.initials: PJ
authors.lastname: Coelho
authors.forename: Isabel C
authors.initials: IC
authors.lastname: Fernandes
authors.forename: Luis M
authors.initials: LM
authors.lastname: Carvalho
mesh_terms: D000873:Anthracenes / Q000138:chemical synthesis / Q000737:chemistry*; D002247:Carbon Isotopes; D009682:Magnetic Resonance Spectroscopy / Q000379:methods / Q000592:standards*; D015394:Molecular Structure; D009281:Naphthalenes / Q000138:chemical synthesis / Q000737:chemistry*; D010777:Photochemistry; D011522:Protons; D011714:Pyrans / Q000138:chemical synthesis / Q000737:chemistry*; D013141:Spiro Compounds / Q000138:chemical synthesis / Q000737:chemistry*
chemical_list: D000873:Anthracenes; D002247:Carbon Isotopes; D009281:Naphthalenes; D011522:Protons; D011714:Pyrans; D013141:Spiro Compounds