Organic chemistry is the one of core subjects of the chemical sciences and thousands of books are available across the globe because of diversified interest of scientific community and its varied applications including drugs, intermediates, and pharmaceutical excipients from the Pharmacists point of view. This book is a part of total syllabus of Pharmaceutical Organic Chemistry and has been written strictly as per syllabus of Semester-I of First Year B. Pharmacy syllabus as prescribed by Pharmacy Council of India, New Delhi and as per regulations of Dr. Babasaheb Ambedkar Technological University (DBATU), Lonere 2017 pattern.