Tamura cyclization, isochromane-1,3-dione, tert-butyl (E)-3-(2-ethoxy-2-oxoethylidene)-2-oxoindoline-1-carboxylate, methanol, 1-(tert-butyl) 3'-ethyl 4'-methyl (3R,3'R,4'R)-1',2-dioxo-3',4'-dihydro-1'H-spiro[indoline-3,2'-naphthalene]-1,3',4'-tricarboxylate, 3-[(1,1-dimethylethyl)amino]-4-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione, Quinine Derivative

Catalytic Asymmetric Tamura Cycloadditions.

10.1002/anie.201309297

MOP_0000562

isochromane-1,3-dione, tert-butyl (E)-3-(2-ethoxy-2-oxoethylidene)-2-oxoindoline-1-carboxylate, methanol

1-(tert-butyl) 3'-ethyl 4'-methyl (3R,3'R,4'R)-1',2-dioxo-3',4'-dihydro-1'H-spiro[indoline-3,2'-naphthalene]-1,3',4'-tricarboxylate

3-[(1,1-dimethylethyl)amino]-4-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione

1610724-48-5

Quinine Base

130-95-0