SCIRP Mobile Website
Paper Submission

Why Us? >>

  • - Open Access
  • - Peer-reviewed
  • - Rapid publication
  • - Lifetime hosting
  • - Free indexing service
  • - Free promotion service
  • - More citations
  • - Search engine friendly

Free SCIRP Newsletters>>

Add your e-mail address to receive free newsletters from SCIRP.


Contact Us >>

WhatsApp  +86 18163351462(WhatsApp)
Paper Publishing WeChat
Book Publishing WeChat

Article citations


Crich, D. and Fortt, S.M. (1987) On the Effect of Ring of Ring Size in the Cyclization of Carbonyl and Vinyl Radicals onto Alkenes. Tetrahedron Letters, 28, 2895-2898.

has been cited by the following article:

  • TITLE: Imidoyl Radicals for the Synthesis of Chromenoquinolines and Naphthyridines

    AUTHORS: Karen C. Vizcaíno-Escobedo, J. Adrián Sánchez-Carrillo, Martha Albores-Velasco

    KEYWORDS: Imidoyl Radicals, Quinolones, Chromenoquinolines, Naphthyridines, Dibenzonaphtyridines

    JOURNAL NAME: International Journal of Organic Chemistry, Vol.8 No.3, September 30, 2018

    ABSTRACT: The stability of imidoyl radicals prepared from 2-(2-alkenyloxy)-phenyl selenoimidates and 2-(2-allylamino)-phenyl selenoimidates and their intramolecular free radical cyclization through the slow addition of tri-N-butyltin hydride and AIBN to obtain 4-chromanones and 4-quinolones were studied. The extension of the methodology to N-phenyl substituted imidoyl selenoates produced tandem cyclizations of the imidoyl radical with the allyl substituent, followed for a second cyclization of the intermediate radical with the aromatic substituent to produce dihydro-chromenoquinolines or tetrahy-dro-dibenzonaphtyridines. Further oxidation with DDQ produced: 6H-chromeno [4,3,b] quinoline and 7-methyl-6H-chromenoquinoline from 2-alkenylamino-phenylbenzamide and 5,6-dihydro-dibenzo [b,h][1,6] naphthyridine and 5,6-dihydro-7-methyl-dibenzo [b,h][1,6] naphthyridine from 2-2-(alkylamino)-N-phenylbenzamides. The cyclization of 2-(N,N-di-prop-2.enylamino)-N-phenylnicotinamide selenoate obtained from 2-aminonicotinic acid, produced 5,6-dihidro-benzo[b]pyrido2,3-h] [1,6] naphthyridine.