The Chemistry of Azaazulenes Page 1 HETEROCYCLES, Vol. 82, No. 1, 2010, pp. 201 - 248.
© The Japan Institute of Heterocyclic Chemistry Received, 31st May, 2010, Accepted, 5th July …

Regioselective synthesis of trifluoromethylated 3-(pyrazolyl)indoles on the basis of 6-(trifluoromethyl)comanic
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The reaction of 4-(3, 4-dimethoxyphenyl)-5-aminopyrazoles 7A–D with aromatic and
heterocyclic aldehydes in strong acidic media (trifluoroacetic or formic acid) has been …

A green and efficient synthesis of 3-pyrazolyl indoles was developed by the
cyclocondensation reaction of β-ethylthio-β-indolyl-α, β-unsaturated ketones with …

An efficient and highly regioselective synthesis of isomeric 3-[1-substituted pyrazol-3 (5)-yl]
indoles has been developed by the acid-mediated regioselective cyclocondensation …

Catalyst free cyclocondensation of β-ethylthio-β-indolyl-α, β-unsaturated ketones with
hydrazines has been developed, and 3-pyrazolyl indoles were efficiently synthesized in …

Publisher Summary Seven-membered ring systems, including those fused with other rings,
have continued to attract attention because of the pharmacological activities. The use of …

A new method was developed for the construction of tetra-and pentacyclic fused systems
based on σ H-adducts of 6-nitro-1, 2, 4-triazolo [1, 5-a] pyrimidine with π-excessive …

Publisher Summary This chapter discusses the synthesis and chemistry of pyrazoles,
imidazoles, 1, 2, 3-triazoles, and 1, 2–4-triazoles, and all the chemistry or biological …

A green and efficient cyclocondensation reaction of β-ethylthio-β-indolyl-α, β-unsaturated
ketones with semicarbazide hydrochloride as hydrazine equivalent to prepare 3-pyrazolyl …