@article{fdi:010071281, title = {{A}n unprecedented blue chromophore found in nature using a "chemistry first" and molecular networking approach : discovery of dactylocyanines {A}-{H}}, author = {{B}onneau, {N}. and {C}hen, {G}. {M}. and {L}achkar, {D}. and {B}oufridi, {A}. and {G}allard, {J}. {F}. and {R}etailleau, {P}. and {P}etek, {S}ylvain and {D}ebitus, {C}{\'e}cile and {E}vanno, {L}. and {B}eniddir, {M}. {A}. and {P}oupon, {E}.}, editor = {}, language = {{ENG}}, abstract = {{G}uided by a "chemistry first" approach using molecular networking, eight new bright-blue colored natural compounds, namely dactylocyanines {A}-{H} (3-10), were isolated from the {P}olynesian marine sponge {D}actylospongia metachromia. {S}tarting from ilimaquinone (1), an hemisynthetic phishing probe (2) was prepared for annotating and matching structurally related natural substances in {D}. metachromia crude extract network. {T}his strategy allowed characterizing for the first time in {N}ature the blue zwitterionic quinonoid chromophore. {T}he solvatochromic properties of the latter are reported.}, keywords = {chromophores ; cyanines ; marine natural dyes ; molecular networking ; zwitterions ; {POLYNESIE} {FRANCAISE} ; {TUAMOTU}}, booktitle = {}, journal = {{C}hemistry-a {E}uropean {J}ournal}, volume = {23}, numero = {58}, pages = {14454--14461}, ISSN = {0947-6539}, year = {2017}, DOI = {10.1002/chem.201702336}, URL = {https://www.documentation.ird.fr/hor/fdi:010071281}, }