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

Michael Addition, β‐silylmethylene malonate, 2-(4-bromophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one, diethyl (R)-2-((5-acetoxy-1-(4-bromophenyl)-3-methyl-1H-pyrazol-4-yl)(1,1,3,3,3-pentamethyldisiloxaneyl)methyl)malonate, 3-[[[3,5-bis(trifluoromethyl)phenyl]methyl]amino]-4-[[(9R)-6′-methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione, Quinidine Derivative

Michael, Michael Addition

Michael Addition, beta‐silylmethylene malonates, nitromethane, diethyl (R)-2-(1-(dimethyl(phenyl)silyl)-2-nitroethyl)malonate, N-[(9R)-6′-methoxycinchonan-9-yl]-N′-(4-nitrophenyl)-Thiourea, Quinidine Derivative

Michael, Michael Addition

Bromocyclization, olefinic dicarbonyl compounds, N-bromsuccinimid, (S)-(5-(bromomethyl)-5-substituted-2-phenyl-4,5-dihydrofuran-3-yl)(phenyl)methanone, (9S)-6′-methoxy-9-[N-(2,4,6-trimethoxyphenyl)carbamothioate]-cinchonan-9-ol, Quinidine Derivative

Bromination, Cyclization, Cyclization, Further Cyclizations

Atropisomer synthesis, O/C-substituted 2′-hydroxy-3,4-dihydro-[1,1′-binaphthalen]-2(1H)-one, benzyl iodide, atropisomeric biaryls, (9S)-9-hydroxy-6′-methoxy-1-[(2,3,4-trifluorophenyl)methyl]-cinchonanium bromide, Quinidine Derivative

Alkylation, Alkylation, Atropisomer synthesis

Bromination, 8‐Arylquinolines, N-bromoacetamide, 2,4,6-tribromo-3-(isoquinolin-1-yl)phenol, N-[3,5-bis(trifluoromethyl)phenyl]-N′-[(9R)-6′-methoxycinchonan-9-yl]-urea, Quinidine Derivative

Atropisomer synthesis, Bromination

alpha-Alkylation, cyclic ketones, 1-(bromomethyl)-2,4-dinitrobenzene, (2S,4S)-2-(2,4-dinitrobenzyl)-4-methylcyclohexan-1-one, (9R)-6′-methoxy-cinchonan-9-amine, Quinidine Derivative

Alkylation, Alkylation, Desymmetrization

O-Alkylation, C/O-substituted 2′-hydroxy-3,4-dihydro-[1,1′-binaphthalen]-2(1H)-one, benzyl iodide, atropisomeric biaryls, (9S)-9-hydroxy-6′-methoxy-1-[(2,3,4-trifluorophenyl)methyl]-cinchonanium bromide, Quinidine Derivative

Alkylation, Alkylation, Atropisomer synthesis

Oxa-Michael, (E)-5-(4-hydroxyphenyl)-1-(p-tolyl)pent-2-en-1-one, Iodobenzene diacetate, (S)-2-(2-oxo-2-(p-tolyl)ethyl)-1-oxaspiro[4.5]deca-6,9-dien-8-one, 3-[[(9R)-6′-methoxycinchonan-9-yl]amino]-4-[[(1R)-1-phenylethyl]amino]-3-cyclobutene-1,2-dione, Quinidine Derivative

Cyclization, Dearomatization, Further Cyclizations, Further reactions, Intramolecular cyclization, Michael Addition, Oxa-Michael Addition, Spirocyclization

Oxa-Michael, (E)-6-hydroxy-1-phenylhex-2-en-1-one, (R)-1-phenyl-2-(tetrahydrofuran-2-yl)ethan-1-one, N-[3,5-bis(trifluoromethyl)phenyl]-N′-[(9R)-6′-methoxycinchonan-9-yl]-urea, Quinidine Derivative

Cyclization, Further Cyclizations, Intramolecular cyclization, Michael Addition, Oxa-Michael Addition

Aldol reaction, methyl 2-fluoro-3-((4-methoxyphenyl)thio)-3-oxopropanoate, 4-bromobenzaldehyde, S-(4-methoxyphenyl) (2S,3S)-3-(4-bromophenyl)-2-fluoro-3-hydroxypropanethioate, N-[3,5-bis(trifluoromethyl)phenyl]-N′-[(9R)-6′-methoxycinchonan-9-yl]-urea, Quinidine Derivative

Aldol, Aldol

« Older Entries
Next 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