Novel synthesis of heterocyclic ketene N,N-, N,O-, and N,S-acetals using cyanoketene dithioacetals

Synthetic Communications

Volumn 33, Issue 10, 2003, Pages 1659-1664

  Elgemeie, Galal H ^a   Elghandour, Ahmed H ^b   Abd Elaziz, Ghada W ^b  

^a Helwan University   (Egypt)

^b Beni Suef University   (Egypt)

Author keywords

Cyanoketene dithioacetals; Ketene dithioacetals; O aminophenol; O aminothiophenol; O phenylenediamine; Unsaturated nitriles

Indexed keywords

(2,3 DIHYDROBENZOIMIDAZOL 2 YLIDENYL)CYANOACETANILIDE; (2,3 DIHYDROBENZOTHIAZOL 2 YLIDENYL)CYANOACETANILIDE; (2,3 DIHYDROBENZOXAZOL 2 YLIDENYL)CYANOACETANILIDE; 1,3 PHENYLENEDIAMINE; ACETAL DERIVATIVE; AMINOPHENOL; AMINOPHENOL DERIVATIVE; HETEROCYCLIC COMPOUND; KETENE DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; PROTON NUCLEAR MAGNETIC RESONANCE; REACTION ANALYSIS; STRUCTURE ANALYSIS; SYNTHESIS;

EID: 0038244848     PISSN: 00397911     EISSN: None     Source Type: Journal    
DOI: 10.1081/SCC-120018927     Document Type: Article

References (5)

1. Wang, H.; Wang, X.; Huang, Z. Synthesis of acetyl-substituted heterocyclic ketene aminals and their deacetylation reaction. Chem. Ber. 1990, 123, 2141-2145.
2. Huang, Z.; Shi, X. Synthesis, reactions, and tautomerism of ketene N,S-acetals with benzothiazoline ring. Chem. Ber. 1990, 123, 541-547.
3. Elgemeie, G.H.; Elghandour, A.H.; Elzanate, A.M.; Ahmed, S.A. Novel synthesis of thioguanine and sulfanylpurine analogues: reaction of heterocyclic ketene dithioacetals with nucleophiles. J. Chem. Research 1998, 162-163.
4. Elgemeie, G.H.; Soad, S.A. The reaction of dimethyl N-cyanothioiminocarbonate with amino- and oxo-azoles: a new general synthesis of methylsulfanylazoloazines. J. Chem. Research 2001, 439-440.
5. Elgemeie, G.H.; Elghandour, A.H.; Elzanate, A.M.; Ahmed, S.A. Synthesis of some novel α-cyanoketene S,S-acetals and their use in heterocyclic synthesis. J. Chem. Soc. Perkin Trans. 1 1997, 3285-3289.