Synthesis of 2-Alkyl(aryl)-3-methylthio-6-methyl-6-arylpyrano-[4, 3-c] pyrazol-4(2H)-ones

Chinese Chemical Letters

Volumn 15, Issue 1, 2004, Pages 14-16

  Li, Yu Xin ^b   Wang, You Ming ^a   Yang, Xiao Ping ^b   Wang, Su Hua ^a   Li, Zheng Ming ^a  

^a NANKAI UNIVERSITY   (China)

^b Xiangtan Normal University Xiangtan 411201 Hunan PR China   (China)

Author keywords

Dithioacetal; Hydrazine; Mechanism

Indexed keywords

PYRAN DERIVATIVE; PYRAZOLE DERIVATIVE;

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

EID: 1242296277     PISSN: 10018417     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (8)

1. P. W. Brian, P. J. Curtis et al., Nature, 1949, 164, 534.
2. R. Ficher, A. Krebs et al., EP patent 588137.
3. K. Nakamura, M. Shibata et al., JP patent 25279.
4. S. Thaisrivongs, C. P. Yang et al., WO patent 11361.
5. E. L. Ellsworch, E. Lunney et al., WO patent 14001.
6. H. S. Chen, Z. M. Li et al. J. Agric., Food Chem., 2000, 48, 5312.
7. Y. M. Wang, Z. M. Li et al., Chem. J. Chinese Univ., 1999, 20 (5), 1559.
8. Y. M. Wang, Z. M. Li et al., J. Applied Chem., 2001, 12 (6), 475.