Buchler GmbH
  • Products
    • Active Pharmaceutical Ingredients
    • Asymmetric Synthesis
      • Chiral Building Blocks
      • Chiral Phase Transfer Catalysts (PTCs)
      • Chiral Screening Kit
      • Enantioselective Organocatalysts
      • Racemic Resolution
    • Food Ingredients
    • Product Overview
  • Chiral Catalyst Search
  • Contact
  • About
    • Certificates
    • Company Policy
    • Former Buchler Company Managers
    • Galleries
      • Gallery current production and storage
      • Gallery Laboratory
      • Gallery Historical Production
    • History of Buchler
  • Career
Select Page

Spirocyclization, methyleneindolinones, α-unsubstituted isocyanoacetates, spirooxindoles, 2-(diphenylphosphino)-N-[(8α,9S)-6′-methoxycinchonan-9-yl]-benzamide, Quinine Derivative

[3+2]-Cycloaddition, Cycloaddition, Spirocyclization

Cascade reaction, 1,3-nitroenynes, isoxazole-5-ones, dihydropyranisoxazolines, 3-[[3,5-bis(trifluoromethyl)phenyl]amino]-4-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione, Quinine Derivative

Cascade reaction, Michael Addition, Oxa-Michael Addition

Spirocyclization, substituted indoline-2,3-dione, nitriles, 1,2-dihydropyridazine-3,6-dione, spirooxindoles, 3-[[3,5-bis(trifluoromethyl)phenyl]amino]-4-[[(8α,9S)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione, Quinine Derivative

Knoevenagel, Michael, Michael Addition, Spirocyclization

Alpha Alkylation, (bromomethyl)benzenes, (1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 2-((diphenylmethylene)amino)acetate, S-2,6-dimethyltyrosine derivatives, (8α,9R)-9-hydroxy-6′-methoxy-1-(4-pyrenylmethyl)-cinchonanium bromide, Quinine Derivative

Alkylation, alpha-Alkylation

Spirocyclization, 3-(2-methylallyl)cyclohex-2-en-1-one, ethyl 2-oxo-2H-chromene-3-carboxylate, spiro-fused coumarins, (8α,9S)-6′-Methoxycinchonan-9-amine, Quinine Derivative

[4+2]-Cycloaddition, Cycloaddition, Diels-Alder reaction, Spirocyclization

Alkylation, N-(arylthio)benzamide, toluene, sulfilimines, copper catalyst, N-[(S)-[(1S,2S,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]oct-2-yl](6-methoxy-4-quinolinyl)methyl]-8-quinolinesulfonamide, Quinine Derivative

Alkylation, S-Alkylation

Thiolation, pyrazolone ketimines, thiols, thiolated pyrazolone ketimines, N-[3,5-bis(trifluoromethyl)phenyl]-N′-[(8α,9R)-6′-methoxy-9-(phenylmethoxy)cinchonan-2′-yl]-thiourea, Quinine Derivative

Addition, Further reactions, Thiolation

Atropisomer Synthesis, 2-hydroxynaphthalene-1,4-dione, 7-bromo-2-oxo-2H-chromene-3-carboxylic acid, naphthocoumarin atropisomers, N-[3,5-Bis(trifluoromethyl)phenyl]-N′-[(8α,9S)-6′-methoxycinchonan-9-yl]thiourea, Quinine Derivative

Atropisomer synthesis

Desymmetrization, sulfondiimines, 2,2,2-trifluoroethyl 2,2,2-trifluoroacetate, 2,2,2-trifluoro-N-(imino-sulfonylidene)acetamides, N-[(8α,9S)-6′-methoxycinchonan-9-yl]-P,P-diphenyl-phosphinic amide, Quinine Derivative

Desymmetrization

Reduction, ketones, secondary alcohols, manganese catalyst, (R)-1-(quinolin-4-yl)-N-(thiophen-2-ylmethyl)-1-((1S,2R,4S,5R)-5-vinylquinuclidin-2-yl)methanamine, Cinchonine Derivative

Hydrogenation, Hydrogenation of ketones, Reduction

« Older Entries

Glossary

Impressum / Legal Notice

Code of Conduct

Hinweisgebersystem / Whistleblowing System

Allgemeine Geschäfts-bedingungen / General Terms and Conditions

Datenschutzhinweise / Data Protection Information

Contact

My Account
  • Follow
  • Follow

All Rights Reserved by Buchler GmbH