[EN] NONSTEROIDAL AND STEROIDAL COMPOUNDS WITH POTENT ANDROGEN RECEPTOR DOWN-REGULATION AND ANTI PROSTATE CANCER ACTIVITY [FR] COMPOSÉS NON-STÉROÏDIENS ET STÉROÏDIENS PUISSANTS EN TERMES DE RÉGULATION À LA BAISSE DU RÉCEPTEUR DES ANDROGÈNES ET D'ACTIVITÉ CONTRE LE CANCER DE LA PROSTATE
Microwave-assisted novel and efficient one-pot synthesis of fused steroidal and non-steroidal isothiazoles
作者:Pranjal Bezbaruah、Junali Gogoi、Kommuri S. Rao、Pranjal Gogoi、Romesh C. Boruah
DOI:10.1016/j.tetlet.2012.06.021
日期:2012.8
An efficient microwave promoted one-pot synthesis of steroidal and non-steroidal isothiazole derivatives from corresponding β-bromo-α,β-unsaturated aldehydes has been described using a sodium thiocyanate-urea system. The β-bromo-α,β-unsaturated aldehydes derivatives are efficiently synthesized from corresponding cyclic ketones using Vilsmeir formylation reaction. The synthetic protocol is also applied
One-Pot Stereoselective Synthesis of (<i>Z</i>)-β-Ketoenamides from β-Halo α,β-Unsaturated Aldehydes
作者:Junali Gogoi、Pranjal Gogoi、Romesh C. Boruah
DOI:10.1002/ejoc.201400007
日期:2014.6
β-ketoenamides have been synthesized from their corresponding β-halo α,β-unsaturatedaldehydes. This synthetic methodology provides efficient access to (Z)-β-ketoenamides. The structures of these products have been unambiguously established by single crystal XRD studies. This process is found to be mild and inexpensive. The required β-halo α,β-unsaturatedaldehydes are synthesized from corresponding ketones using
Microwave-assisted Pd-catalyzed synthesis of fused steroidal and non-steroidal pyrimidines from β-halo-α,β-unsaturated aldehydes
作者:Junali Gogoi、Pranjal Gogoi、Pranjal Bezbaruah、Romesh C. Boruah
DOI:10.1016/j.tetlet.2013.10.094
日期:2013.12
developed for the synthesis of fused steroidal and non-steroidal pyrimidines from β-halo-α,β-unsaturated aldehydes under microwave irradiation. The β-halo-α,β-unsaturated aldehydes are synthesized from corresponding ketones using Vilsmeier formylation reaction. This synthetic protocol is utilized to synthesize some more novel steroidal pyrimidine derivatives and are currently being evaluated for their biological
Ligand-Free Suzuki Cross-Coupling Reactions: Application to β-Halo-α,β-Unsaturated Aldehydes
作者:Pranjal Gogoi、Pranjal Bezboruah、Romesh C. Boruah
DOI:10.1002/ejoc.201300491
日期:2013.8
ligand-free Suzuki–Miyaurareaction of β-halo α,β-unsaturated aldehydes with boronic acids in aqueous media at room temperature is described. Under the optimized conditions, both steroidal and nonsteroidal β-halo α,β-unsaturated aldehydes reacted rapidly with the boronic acids to provide a series of aryl-substituted derivatives in excellent yields. Moreover, the protocol was extended to the direct one-pot
Facile Diversity-Oriented Synthesis of Polycyclic Pyridines and Their Cytotoxicity Effects in Human Cancer Cell Lines
作者:Limi Goswami、Shyamalee Gogoi、Junali Gogoi、Rajani K. Boruah、Romesh C. Boruah、Pranjal Gogoi
DOI:10.1021/acscombsci.5b00192
日期:2016.5.9
the synthesized pyridine derivatives were evaluated for their antiproliferative properties in vitro against the human cancercell lines HeLa, Me180, and ZR751. Compounds 44,1} and 42,4} showed significant cytotoxicity in the human breast cancercell line ZR751 and cervical cancercell line Me180, respectively, and a few other compounds were found to have moderate activities.