@article { ISI:000325950600094,
	title = {Novel and efficient synthesis of azaarene-substituted 3-hydroxy-2-oxindoles via sp(3) C-H functionalization of 2-methyl azaarenes and (2-azaaryl)methanes over a heterogeneous, reusable silica-supported dodecatungstophosphoric acid catalyst},
	journal = {RSC Advances},
	volume = {3},
	number = {43},
	year = {2013},
	month = {AUG},
	pages = {20281-20286},
	publisher = {ROYAL SOC CHEMISTRY},
	type = {Article},
	address = {THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND},
	abstract = {<p>A novel and efficient protocol has been developed for the synthesis of azaarene-substituted 3-hydroxy-2-oxindoles via sp(3) C-H functionalization of 2-methyl azaarenes and (2-azaaryl)methanes with isatin in good to excellent yield. This is the first example in which heterogeneous, reusable silica supported dodecatungstophosphoric acid (DTP/SiO2) catalyzed sp(3) C-H functionalization of 2-substituted azaarenes and (2-azaaryl)methanes.</p>},
	issn = {2046-2069},
	doi = {10.1039/c3ra43515f},
	author = {Mulla, Shafeek Abdul Rashid and Pathan, Mohsinkhan Y. and Chavan, Santosh S.}
}
@article { ISI:000362436800028,
	title = {Novel one-pot multi-component synthesis of 3,3 {\textquoteleft}-disubstituted oxindole and spirooxindole scaffolds via Sn-catalyzed C(sp(3))-H functionalization of azaarenes by sequential Knoevenagel-Michael-cyclization reaction},
	journal = {RSC Advances},
	volume = {5},
	number = {99},
	year = {2015},
	month = {SEP},
	pages = {81103-81107},
	publisher = {ROYAL SOC CHEMISTRY},
	address = {THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND},
	abstract = {<p>Sn-catalyzed C(sp(3))-H bond functionalization of 2-methyl azaarenes/2-(azaaryl)methanes has been achieved for the first time in a one-pot multi-component reaction with isatin and active methylene compounds via tandem sequential Knoevenagel-Michael-intramolecular C-N cyclization. This strategy provides new cost-effective access to potent and biologically/medicinally important spirooxindoles/3,3{\textquoteright}-disubstituted 2-oxindoles in good to excellent yields.</p>},
	issn = {2046-2069},
	doi = {10.1039/c5ra16334j},
	author = {Chavan, Santosh S. and Pathan, Mohsinkhan Y. and Thorat, Shridhar H. and Gonnade, Rajesh G. and Mulla, Shafeek Abdul Rashid}
}
