00582nam a22001577a 4500003000800000005001700008008004100025040002100066082001600087245009800103260004100201300005700242500007000299504004100369650001400410BD-DhUL20170330112213.0170330s196612  bg a|||| m||| 00| 0 eng d  aBD-DhULcBD-DhUL  a541.39bSTU 0aStudy on the synthesis of flavone by ring expansion of benzylidenecoumaranones /h[MS Thesis]  aDhaka :bUniversity of Dhaka,c1966.  axii, 141 p. : bill. (some col.), col. maps c30 cm.  aThesis (MS)—Department of Chemistry, University of Dhaka, 1966.  aIncludes bibliographical references. 0aSynthesis