A new route to 1,5-disubstituted 4-arylsulfonylpyrazoles by lithiation of 1-methyl-4-arylsulfonylpyrazoles

Tetrahedron

Volumn 51, Issue 35, 1995, Pages 9511-9518

  Hoffmann, Michael G ^a  

^a SANOFI   (France)

Author keywords

[No Author keywords available]

Indexed keywords

PYRAZOLE DERIVATIVE;

ARTICLE; DRUG SYNTHESIS; PRIORITY JOURNAL; REACTION ANALYSIS;

EID: 0029160170     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4020(95)00540-O     Document Type: Article

References (29)

1. Synthesis of pyrazole, isoxazole, and pyrimidine derivatives from 2-arylsulfonyl-2-cyanovinyl ethyl ethers
2. Preparation of 1,5-disubstituted 4-sulfonylpyrazoles, β-cyano-β-sulfonylenamines and 5-substituted 4-sulfonylisoxazoles from β-keto-β-sulfonylenamines
3. 1,3-Dipolar cycloadditions with alkynyl phenyl sulphones
4. 1,1,1-Trifluoro-3-phenylsulfonyl-2,2-propanediol: A Building Block for Trifluoromethylated and Sulfonylated Heterocycles. Synthesis of 1-Alkyl-3-trifluoromethyl-4-phenylsulfonyl-pyrazoles
5. Vinamidines and Vinamidinium Salts?Examples of Stabilized Push-Pull Alkenes
6. The Sequential Lithiation of 1-Phenylpyrazoles
7. Alkylation of 4(5)-Substituted Imidazoles
8. A facile synthesis of pyrazole-5-sulfonamide derivatives
9. The Palladium-Catalyzed Cross-Coupling Reactions of Organotin Reagents with Organic Electrophiles[New Synthetic Methods(58)]