Polyaniline-Supported Sulfuric Acid Salt as a Powerful Catalyst for the Protection and Deprotection of Carbonyl Compounds

Synlett

Volumn , Issue 12, 2003, Pages 1793-1796

  Palaniappan, Srinivasan ^a   Narender, Puli ^a   Saravanan, Chandrasekaran ^a   Rao, Vaidya Jayathirtha ^a  

^a INDIAN INSTITUTE OF CHEMICAL TECHNOLOGY   (India)

Author keywords

Carbonyl compounds; Chemoselectivity; Deprotection; Polyaniline sulfate salt; Protection

Indexed keywords

ACETAL DERIVATIVE; ACID; ALDEHYDE DERIVATIVE; BENZALDEHYDE; CARBONYL DERIVATIVE; ETHYLENE GLYCOL; POLYANILINE; SODIUM CHLORIDE; SULFATE; SULFURIC ACID; TOLUENE;

AQUEOUS SOLUTION; ARTICLE; CATALYST; CHEMICAL STRUCTURE; DEPROTECTION REACTION;

EID: 0142123971     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2003-41412     Document Type: Article

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20. 3), Particle size (0.3-75 μm), Elemental analysis: C, 52.5%; H, 3.3%; N, 10.7%; S, 7.4%.
21. 4, filtered and concentrated in vacuum. The resultant sample was purified by preparative column chromatography (1:99 EtOAc:hexane) affording the parent p-methylbenzaldehyde (Table 2).