@article{b4f0f07efbd94d2a96005de74943758a,
title = "Synthesis of 2H,4H,9bH -furo[3,2-c][1]benzopyrans by a new intramolecular cycloaddition of a carbonyl ylide to an acetylene",
abstract = "Thermal treatment of oxiranes 1 and 4 affords 2H, 4H, 9H -furo[3,2-c][1]benzopyrans 5 and 6 through an intra-molecular 1,3-dipolar cycloaddition between the carbonyl ylide, generated by ring opening of the oxirane, and the acetylene moiety. {\textcopyright} 1991.",
keywords = "acetylene, carbonyl ylide, furobenzopyran, intramolecular 1,3-dipolar cycloaddition",
author = "C. Bernaus and J. Font and \{de March\}, P.",
year = "1991",
month = sep,
day = "2",
doi = "10.1016/S0040-4020(01)88295-8",
language = "English",
volume = "47",
pages = "7713--7718",
journal = "Tetrahedron",
issn = "0040-4020",
publisher = "Elsevier Limited",
number = "36",
}