See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/215923867 Alum Catalyzed Simple and Efficient Synthesis of Bis (indolyl) methanes by Ultrasound Approach Article · January 2009 DOI: 10.5012/bkcs.2009.30.4.825 CITATIONS 21 READS 34 6 authors, including: Sandeep Sonar 53 PUBLICATIONS 978 CITATIONS SEE PROFILE Amol Kategaonkar MVP Samaj's S.V.K.T. Arts, Science and Com… 35 PUBLICATIONS 343 CITATIONS SEE PROFILE Bapu Shingate Dr. Babasaheb Ambedkar Marathwada Unive… 45 PUBLICATIONS 281 CITATIONS SEE PROFILE Murlidhar S Shingare Dr. Babasaheb Ambedkar Marathwada Unive… 151 PUBLICATIONS 1,640 CITATIONS SEE PROFILE All content following this page was uploaded by Amol Kategaonkar on 02 January 2017. The user has requested enhancement of the downloaded file. All in-text references underlined in blue are added to the original document and are linked to publications on ResearchGate, letting you access and read them immediately.