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Vilsmeier, A. and Haack, A. (1927) über die Einwirkung von Halogenphosphor auf Alkyl-formanilide. Eine neue Methode zur Darstellung sekundarer und tertiarer p-Alkylamino-benzaldehyde. Berichte der deutschen chemischen Gesellschaft, Serie B, 60, 119-122.
http://dx.doi.org/10.1002/cber.19270600118

has been cited by the following article:

• TITLE: Process for the Preparation of Chromones, Isoflavones and Homoisoflavones Using Vilsmeier Reagent Generated from Phthaloyl Dichloride and DMF

  AUTHORS: Santosh Kumar Yadav

  KEYWORDS: Phthaloyl Dichloride, Dimethylformamide, Chromones, Isoflavones, Homoisoflavones, BF3·Et2O, Vilsmeier Reagent

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.4 No.4, November 19, 2014

  ABSTRACT: Vilsmeier reagent formed from phthaloyl dichloride and DMF was found to be very effective for converting 2-hydroxyacetophenones, deoxybenzoins and dihydrochalcones into corresponding chromones, isoflavones and homoisoflavones with excellent yield. This method offers significant advantages such as efficiency and mild reaction conditions with shorter reaction time.