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Chlorocyclization, alkeneamides, 1,3-dichloro-5,5-diphenylhydantoin, (5S,6R)-5-chloro-2,6-diphenyl-5,6-dihydro-4H-1,3-oxazine, 1,4-Bis(9-O-dihydroquinidinyl)phthalazine, Dihydroquinidine Derivative

Chlorination, Cyclization, Cyclization, Further Cyclizations

Mannich reaction, 4-benzyl-2-phenyloxazol-5(4H)-one, ethyl 2-((4-methylphenyl)sulfonamido)acrylate, α,β-diamino diacid derivatives, 1,4-Bis(9-O-dihydroquinidinyl)phthalazine, Dihydroquinidine Derivative

Mannich, Mannich

Atropisomer synthesis, (R)-2-acetylcyclopentan-1-one, N-(2-tert-butylphenyl) succinimides, (1R,1’S)-1′-acetyl-3-(2-(tert-butyl)-4-methoxyphenyl)-[1,1′-bi(cyclopentane)]-2,2′,4-trione, (9S,9′′S)-9,9′′-[(2,5-diphenyl-4,6-pyrimidinediyl)bis(oxy)] bis[10,11-dihydro-6′-methoxy-cinchonan], Dihydroquinidine Derivative

Atropisomer synthesis

Aziridination, alkenyl alcohols, 2,2,3,3,3-pentafluoropropyl sulfamate, 2,2,3,3,3-pentafluoropropyl (2R,3S)-2-(2-hydroxyethyl)-3-(4-(trifluoromethyl)phenyl)aziridine-1-sulfonate, rhodium(II,II) tetracarboxylate dimer, (1S,2R,4S,5R)-5-ethyl-2-((S)-hydroxy(6-methoxyquinolin-4-yl)methyl)-1-((3,3”,5,5”-tetrakis(triethylsilyl)-[1,1′:3′,1”-terphenyl]-5′-yl)methyl)quinuclidin-1-ium, Dihydroquinidine Derivative

Aziridination

Spirocyclization, substituted 2-(2-oxo-1-tritylindolin-3-ylidene)malononitrile, substituted 2,4-dihydro-3H-pyrazol-3-one, spiro[indoline-3,4′-pyrano-[2,3-c]pyrazole] derivatives, (9S,9′′S)-9,9′′-[(2,5-diphenyl-4,6-pyrimidinediyl)bis(oxy)] bis[10,11-dihydro-6′-methoxy-cinchonan], Dihydroquinidine Derivative

Spirocyclization

N-Allylic Alkylation, hydrazones, morita–baylis–hillman carbonates, methyl (S,E)-2-((2-benzylidene-1-tosylhydrazineyl)(phenyl)methyl)acrylate, 1,4-Bis(9-O-dihydroquinidinyl)phthalazine, Dihydroquinidine Derivative

Allylic Amination, Amination

Oxa-Michael, ethyl (1R,2S,3R)-2-((E)-3-ethoxy-3-oxoprop-1-en-1-yl)-3-(2-hydroxyphenyl)cyclopropane-1-carboxylate, cyclopropane-fused chromanoles, N-[3,5-bis(trifluoromethyl)phenyl]-N′-[(9R)-10,11-dihydro-6′-methoxy cinchonan-9-yl]-thiourea, Dihydroquinidine Derivative

Michael Addition, Oxa-Michael Addition

Allylation, allylic fluorides, silylated stabilized carbon nucleophiles, 5-substituted methyl (R)-3-(2-fluorophenyl)-2-methylene-5-oxopentanoate, 1,4-Bis(9-O-dihydroquinidinyl)phthalazine, Dihydroquinidine Derivative

Alkylation, Allylation

Lactonization, 3-substituted 5-(tert-butyl) 1-methyl 2-methylenepentanedioate, diethyl 2-((tert-butoxycarbonyl)oxy)malonate, α-methylene-γ-lactones, 1,4-Bis(9-O-dihydroquinidinyl)phthalazine, Dihydroquinidine Derivative

Lactonization

Aldol reaction, isatins, acetaldehyde, substituted (S)-3-hydroxy-3-(2-hydroxyethyl)indolin-2-ones, benzoic acid, (8α,9S)-6′-Methoxycinchonan-9-amine, Quinine Derivative

Aldol, Aldol

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