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Corrigendum to: Phospho sulfonic acid as efficient heterogeneous Brønsted acidic catalyst for one-pot synthesis of 14H-dibenzo[a,j]xanthenes and 1,8-dioxo-octahydro-xanthenes

Sobhan Rezayati, Zahra Erfani, and Rahimeh Hajinasiri

Chemistry Department, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran

 

E-mail: rhmhajinasiri@yahoo.com

Abstract: We would like to amend the information that appeared in our paper on page 537. The statement that “The present work reports a new and simple method for the synthesis of aryl-14H-dibenzo[a,j]xanthenes IIIaIIIn and 1,8-dioxo-octahydro-xanthene V using phospho sulfonic acid as a new, environmentally benign, heterogeneous, solid acid catalyst under solvent-free conditions” is incorrect. The use of phospho sulfuric acid as a catalyst for this reaction was studied concurrently by another group (Kiasat et al. 2013) and their results were published prior to the publication of our paper: Editors thank Prof. Saghanezhad (Shahid Chamran University, Ahvaz, Iran) for bringing this oversight to our attention and apologize to him and readers for the incorrect declaration of the priority.

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-017-0134-7

 

Chemical Papers 71 (3) 707–707 (2017)

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