[(9R,10R)-10-acetyloxy-8,8-dimethyl-2-oxidanylidene-9,10-dihydropyrano[2,3-f]chromen-9-yl] but-2-ynoate

Systemtic Name: [(9R,10R)-10-acetyloxy-8,8-dimethyl-2-oxidanylidene-9,10-dihydropyrano[2,3-f]chromen-9-yl] but-2-ynoate Openeye Name: [(9R,10R)-10-acetoxy-8,8-dimethyl-2-oxo-9,10-dihydropyrano[2,3-f]chromen-9-yl] but-2-ynoate CAS Name: 2-butynoic acid [(9R,10R)-10-acetyloxy-8,8-dimethyl-2-oxo-9,10-dihydropyrano[2,3-f][1]benzopyran-9-yl] ester IUPAC Name: [(9R,10R)-10-acetyloxy-8,8-dimethyl-2-oxo-9,10-dihydropyrano[2,3-f]chromen-9-yl] but-2-ynoate Traditional Name: but-2-ynoic acid [(9R,10R)-10-acetoxy-2-keto-8,8-dimethyl-9,10-dihydropyrano[2,3-f]chromen-9-yl] ester Formula: C20H18O7 MolecularWeight: 370.35272

Click to see the large picture

Descriptors Computed from Structure

Canonical SMILES:

CC#CC(=O)OC1C(C2=C(C=CC3=C2OC(=O)C=C3)OC1(C)C)OC(=O)C

Isomeric SMILES

CC#CC(=O)O[C@@H]1[C@@H](C2=C(C=CC3=C2OC(=O)C=C3)OC1(C)C)OC(=O)C

InChI

InChI=1S/C20H18O7/c1-5-6-14(22)26-19-18(24-11(2)21)16-13(27-20(19,3)4)9-7-12-8-10-15(23)25-17(12)16/h7-10,18-19H,1-4H3/t18-,19-/m1/s1