One-Pot, Three-Aryne Cascade Strategy for Naphthalene Formation from 1,3-Diynes and 1,2-Benzdiyne Equivalents

Xiao Xiao, Thomas R. Hoye

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

Here we disclose a cascade strategy for naphthyne formation that capitalizes on the traditional benzyne generation (i.e., from an ortho-silyl aryl triflate) and the thermal hexadehydro-Diels-Alder (HDDA) reaction. In this transformation, three distinct aryne species work in tandem, two of which can be formally considered as a 1,2-benzidyne, and each undergoes a different type of trapping event. Many examples were explored by varying the naphthyne capture chemistry as well as the 1,2-benzdiyne equivalent. This strategy enables rapid construction of various naphthalene products and has potential for the synthesis of extended polycyclic arenes.

Original languageEnglish (US)
Pages (from-to)9813-9818
Number of pages6
JournalJournal of the American Chemical Society
Volume141
Issue number25
DOIs
StatePublished - Jun 26 2019

Bibliographical note

Funding Information:
This work was supported by the National Science Foundation (CHE-1665389). Computations were performed using resources available through the University of Minnesota Supercomputing Institute (MSI). NMR data were obtained with an instrument acquired through the NIH Shared Instrumentation Grant program (S10OD011952).

Publisher Copyright:
© 2019 American Chemical Society.

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