@article {42470,
	title = {One pot four component reaction of isocyanides, dimethyl acetylenedicarboxylate and cyclobutene-1,2-diones: synthesis of spiro heterocycles},
	journal = {Tetrahedron Letters},
	volume = {48},
	year = {2005},
	month = {JAN},
	pages = {1337{\textendash}1339},
	abstract = {<p>Isocyanides, dimethyl acetylenedicarboxylate, and cyclobutene-1,2-diones react in one-pot to afford novel spirocyclic compounds with double insertion of the isocyanide.</p>},
	doi = {10.1016/j.tetlet.2004.12.117.},
	author = {Nair, Vijay and Menon, Rajeev S. and Deepthi, Ani B. and Devi, Rema and Biju, Akkattu T.}
}
