@article { ISI:000359134700008,
	title = {Efficient one pot regioselective synthesis of a 3,3 {\textquoteleft}-spiro-phosphonylpyrazole-oxindole framework via base mediated [1,3]-dipolar cycloaddition reaction of the Bestmann-Ohira reagent with methyleneindolinones},
	journal = {Organic \& Biomolecular Chemistry},
	volume = {13},
	number = {32},
	year = {2015},
	month = {JUL},
	pages = {8669-8675},
	publisher = {ROYAL SOC CHEMISTRY},
	address = {THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND},
	abstract = {<p>A one pot, highly regioselective synthesis of racemic 3,3{\textquoteright}-spiro-phosphonylpyrazole-oxindole by 1,3-dipolar cycloaddition of an in situ generated anion of dialkyl 1-diazomethylphosphonate from the Bestmann-Ohira reagent (BOR) \&amp; methyleneindolinones has been developed. The synthesis affords the highly functionalized pyrazole scaffolds in good yields with excellent regioselectivity under mild reaction conditions within a short reaction time.</p>},
	issn = {1477-0520},
	doi = {10.1039/c5ob01020a},
	author = {Shelke, Anil M. and Suryavanshi, Gurunath}
}
