Professor of Organic Chemistry, Chemistry Department, Arak University, Iran.

Department of Mathematics and Natural Sciences, College of Sciences and Human Studies, Deanship of Research, Prince Mohammad Bin Fahd University, Al Khobar 31952, Kingdom of Saudi Arabia, Saudi Arabia

Department of Chemistry, The University of Texas-Rio Grande Valley, 1201 West University Drive, Edinburg, Texas 78539, USA

Senior Lecturer in Organic Chemistry and Deputy Director of Learning & Teaching School of Chemistry,Cardiff University, Cardiff, CF10 3AT, UK

Associate Chair and Professor, Department of Chemistry, The College of New Jersey, 2000 Pennington Road, Room C-204, Science Complex Ewing, NJ  08628, USA

Assistant Professor of Chemistry Veer Bahadur Singh Purvanchal University, Jaunpur-222003 (UP), India

Department of Chemistry, Kakatiya University, Warangal, Telangana 506009, India

Ex. Prof Department of Chemistry, University of Rajasthan, Jaipur 302004, India

Hubei Key Laboratory of Natural Products Research and Development, China Three Gorges University, Yichang 443002, P. R. China

Shaanxi Province Key Laboratory of Environmental Pollution Control and Reservoir Protection Technology of Oilfields, Xi’an Shiyou University, Xi’an Shaanxi 710065 PR China

Departamento de Química Orgânica Instituto de Química UFRJ, Brazil

Latvian Institute of Organic Synthesis Aizkraukles 21, Riga, LV-1006, Latvia

Head of Research Group Latvian Institute of Organic Synthesis  Aizkraukles iela 21 Riga, Latvia, LV-1006

Instituto de Química - UFRJ Rio de Janeiro, RJ, Brazil

Dept of Chemistry Mokwon University Daejeon, 302-729 South Korea

Professor and Chairman Department of Chemistry Gulbarga University, Gulbarga, Karnataka 585106. India

Erciyes University, Faculty of Sciences, Department of Chemistry. Kayseri, Turkey

Chairman, Board of Studies in Chemistry, Jiwaji University, Gwalior-474011, India

Professor of Chemistry, Department of Chemistry, Lehman College-City University of New York (CUNY) 250 Bedford Park Blvd West Bronx, New York 10468

MNASc, FRSc C.Chem.(London) Department of Chemistry  Former Pro Vice Chancellor HNB Garhwal University  Srinagar (Garhwal) Uttarakhand - 246 174, India

Department of Chemistry GIT, Gitam University Visakhapatnam-530045 India

Vice-chancellor, Pondicherry university India

Chemistry Department Faculty of Science Assiut University Assiut-71516 Egypt

Department of Organic Chemistry, University of Sistan and Baluchestan, Iran

Professor,Department of Chemistry, Jadavpur University, Kolkata, India

Professor,Department of Chemistry Mangalore University India

Amity University, Noida, Uttar Pradesh India