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Chlorination, (E)-N-(hex-2-en-1-yl)-4-nitrobenzamide, acetonitrile, 1,3-dichlor-5,5-dimethylhydantoin, N-((2R,3S)-3-acetamido-2-chlorohexyl)-4-nitrobenzamide, 1,4-Bis(9-O-dihydroquinidinyl)phthalazine, Dihydroquinidine Derivative

Amidation, Chlorination, Further reactions

Chlorocyclization, substituted N-allylacetamide, chloramine-T, substituted (S)-5-chloro-5,6-dihydro-4H-1,3-oxazine, 1,4-Bis(9-O-dihydroquinidinyl)phthalazine, Dihydroquinidine Derivative

Chlorination, Cyclization, Cyclization, Further Cyclizations

Chlorolactonization, 4-phenylpent-4-enoic acid, 1,3-dichlor-5,5-dimethylhydantoin, (R)-5-(chloromethyl)-5-phenyldihydrofuran-2(3H)-one, 1,4-Bis(9-O-dihydroquinidinyl)phthalazine, Dihydroquinidine Derivative

Chlorination, Lactonization

Mannich reaction, α-styrylacetates, 4-methylbenzenesulfonamides, α-styrylacetates, N-[3,5-bis(trifluoromethyl)phenyl]-N′′-[(9S)-6′-methoxycinchonan-9-yl]-urea, 6´-Aminocinchonine Derivative

Mannich, Mannich

Spirocyclization, 1-methylindoline-2,3-dione, acrylaldehyde, substituted 2-hydroxyacetaldehyde, spirocyclic oxindoles, (3α,9S)-3,9-epoxy-10,11-dihydro-6′-(phenylmethoxy)-cinchonan, Dihydrocupreidine Derivative

Spirocyclization

Cyclization, methyl 2-((2-((tert-butoxycarbonyl)amino)phenyl)((tert-butoxycarbonyl)oxy)methyl)acrylate, olefins, substituted tetrahydroquinolines, (3α,9S)-3,9-epoxy-10,11-dihydro-cinchonan-6′-ol, Dihydrocupreidine Derivative

[4+2] Annulation, Cyclization, Further Cyclizations

Alkylation, 2-phenyl-1,2,3,4-tetrahydroisoquinoline, acrylaldehyde, (S)-2-(2-phenyl-1,2,3,4-tetrahydroisoquinolin-1-yl)acrylaldehyde, (3α,9S)-3,9-epoxy-0,11-dihydro-cinchonan-6′-ol, Dihydrocupreidine Derivative

Alkylation, Alkylation

Spirocyclization, oxindoles, cyclic 1-azadienes, spirocyclic oxindoles, (3α,9S)-3,9-epoxy- 10,11-dihydro-cinchonan-6′-ol, Dihydrocupreidine Derivative

Spirocyclization

Spirocyclization, oxindoles, sulfones, substituted methyl (S)-2-methyl-2′-oxo-3-(phenylsulfonyl)spiro[cyclopentane-1,3′-indoline]-2,4-diene-5-carboxylate, (3α,9S)-3,9-epoxy-10,11-dihydro-6′-(methoxymethoxy)-cinchonan, Dihydrocupreidine Derivative

Spirocyclization

Aza-Morita-Baylis-Hillman, aminooxindoles, N-substituted 1H-pyrrole-2,5-dione, 3-substituted-3-aminooxindoles, (3α,9S)-3,9-epoxy- 10,11-dihydro-cinchonan-6′-ol, Dihydrocupreidine Derivative

Morita-Baylis-Hillman (MBH)

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