An Efficient Three Component Synthesis of 1H-Indazolo[2, 1-b]phthalazine-triones Catalyzed by Orthophosphoric Acid in Water-Phenol System
MANURI BRAHMAYYA*, REDDYMASU SREENIVASULU, CH.CHINA SATYANARAYANA, BATTULA VENKATESWARA RAO, K. N. SANTHI, M. V. RAGHUPATHIRAJU and M. VIJAYA Department of Engineering Chemistry, Andhra University,
Visakhapatnam-530 003, A.P., India
Department Environamental Engineering Safety and Health, Hungkuang University, Taichung, Taiwan
Department of Chemistry, Acharya Nagarjuna University, Guntur, India
S K B R College, Department of Chemistry, Amalapuram, East Godavari Dist, A.P, India
Chaitanya women?s College, Department of Zoology, Gajuwaka, Viskhapatnam, India
Department of Chemistry, D.N.R.College, Bhimavaram, West Godavari, A.P, India