endstream endobj 192 0 obj <>/Metadata 42 0 R/Outlines 70 0 R/PageLayout/OneColumn/Pages 189 0 R/StructTreeRoot 81 0 R/Type/Catalog>> endobj 193 0 obj <>/ExtGState<>/Font<>/XObject<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 194 0 obj <>stream H��Vˎ$E��W��ܴ�/�AB��������W�4{��C���~F8������a����j��Wȣـ�[��|6wH� ��Z@�6������f��.���|�:7�/�;V3x�lV�aӳ�l��mi�ި�m@BRꭗ���oMD�S����/*��&�1�Á�ACXm��L (��ϳ &3'�M���b0P���Ô��S�(���;Z((�&_�yە�n���,��a��3��4��1�l���ȏV'sa.�ͪ�W8����;�MM�ذ�*��;�+Ԙ�Z�8���҇t�RY�6�d�*=+����)$B�,�BD8Ҥ�Ao�V�Ð�����&�t����o �6 �y�#�_����z�k��ׂ���|}���>��������ǿ�(���]��?�C���Փu� Ო�������~���~o7�V�'k^Mcc�(i�� �j���]��J�Y1_S)�����.�s#{�st=6pT�����x�մjƪ�N��w�y���؏�e�[t:��'� ��H�Ӌ��9�C��OZE<8v����N�Â�[��. ����3EO��6����e�!e�/�Ǩ�H�;�k�]�Dy�:p���-+�>Q�`�����Ӿ�V�^�� �>a< endstream endobj 196 0 obj <>stream %%EOF "��*bÀ� =�(���~G�ʁf���h�AR��{����I��K�!d�hA�ԓ���h&sdַ�9�p�Qr�=uee�RQG����dn�,7g'�abt����g��j������Te�BV�yt���&z���Dh�J*]A�rT�ēB�4RE�D��9�Lj����K5CS�4 �gס,��lA!��9K�*uY��HJa����@F��V�@I5?���w��)�U3���B��9�S�|{}���me9�Y�Iaܗ�C&ϸ�J���/�?T*����E`A�'@��4���+�����K�J��d�f=�4�N��Rӈ `�&��"����p��x���ђ��W�0� ��@�d�m~�!�c59�w4�Ɲ$�u;@����n�A[��!�� �+"L���,�b�F�.22��]������ �5��#���������{ׁ ͞�C���9m��h� \�$�OK�;���A>�Q��������u|�u`�>ޅ�# ��r]dж�E"���$�K�R�+������:5��q{��E�:L ~�´i��o� 2��M 4�+�U���(�*g�*]�m�����ǩK̅ #.�\u���&OC\���I��"c��+j�I+�i5`}HU�-q��j�O����� 7�M) tȒ. Posted on January 26, 2020 by admin. H�\�͊�@�OQ��Ecbݺ�$��n�b~�����OO�#$9A��q�̷�ݾk'����'wj�f���6�����eᚶ�>������ܯS��S�������i���u��c���8���=��]~� �G��nr�Z�&�Ҡo��D��˞�M:�N�������Ct��IL�7�:Tu���r���+�ұ�b��w� endstream endobj 195 0 obj <>stream 218 0 obj <>/Filter/FlateDecode/ID[<50993B2290775A438D45061F6EBA917D>]/Index[191 49]/Info 190 0 R/Length 121/Prev 403619/Root 192 0 R/Size 240/Type/XRef/W[1 3 1]>>stream x��]Ms�F��ׯ@�e=2��?�c�wW�;3^E�2��D��M�ӿ~����ݔ���#C� �2_�|��s�������x�\g|oK4�)v)��v����n����;ӝ�uz�����S��^o���'U�tvߖ����u��u�ݛ��>{�כ���nzݙ����?��{��kj�W\���o:����/���\(�p����:\1�.
%PDF-1.5 %���� e ;Z�u�m��ĴU�i�L�r�f|�!������k���PȔZ �B�h����k��[/d&�)!�Y4!7y4�&o����6�y�������\����|f��/l:�,x�"�Ul؛`^�kG�1^�q�pmzx�Tݽ�r�'�u4����>�+� ��/ Mechanism:. H��VM�%5����3!���3H�#�?� �-��%��y��sCZ�C?w��v����������q?^�2����x}�������������+~���Z���J��_^���?ׯ�}����}�{i��:˺_.3/�no�t��y��MR�,��,uݏ˰#`G-c���G�|�1��m�}{��am��C ����Ωf��l��h�;��=���;���T�62���]��(ɠ9J���b�&��F+S��L�����}(V��ax�����y�+zYo}Q����6Ԭ��I��`U�2J�""�"��[���ґ�=;�2᳹�T������� Xt-2i�N���Y"w�l�`��e��Y���pid���e��N岒�Z$�z��R�,��VMKi�*ya�Z��w&�)�Ȍ�X����)�[ӥ����E��Z-{�#@ݪ)�j]$�W�����ޚ ���3��pP�M�>H ��#��<1�] ���.K�̨����Rm7Ө���-�ó +��L��$-ב :��ŦE䚕�b�5%G6K�^��q耚��Lh����O���S> -b��1(s=Y�UUק� �����=���������#��8�T�h S�$X�����c BENZILIC ACID SYNTHESIS FROM BENZIL PDF - In the first step alcohol group of benzoin is oxidized to ketone group forming benzil in presence of concentrated nitric acid. At the instructor's option , obtain the infrared spectrum ofbenzil in KBr. BENZILIC ACID SYNTHESIS FROM BENZIL PDF - In the first step alcohol group of benzoin is oxidized to ketone group forming benzil in presence of concentrated nitric acid.
111 0 obj <>stream %N�#�n�VH��[m8�v>�˾ |N�G�孒2���� �}�v\�9&���Vc#N�_8[��,�I���S�~�b��Ry��{�O�=�� A� 4/O� 75 0 obj <> endobj Nitration of aromatic ring is not. h�b```f``Z������� Ā B,@Q� LF��;00�VH H�\��n�@���C���XB�,�H>$�Z�> ��)��������H��������=�~2��8�G?�s��o�=�ޜ��٢4]�N_o�6c�����6��!����M�+ަ�0O�n8��,�;�p1O6�g�����>L�0����9 �5�{s�&��^]:��K����1zS���i���Ʀ�� ��E�V�ާk����wn�����&fu��H?�w�]��+|���$���\�-قف�,`%+��� Am. 1948, 70, 3666 and, using the procedure in that reference (small run), plan a synthesis of benzil starting with 0.0025 mol of benzoin, scaling down the quantities of all other reagents by the same factor. H�lTMO�@��W�qW��]{c;BjRA��➀��8�U��c���7k;I���xgv�͛��,����Q9')��Sk�yA�3�&T.�kU�u�(9�W�:�ԓNԪY�ة;k�j�i��M�J��zձW��6yP(ju�+�}�#55ڥJT�/���$��k}[�EV�D��7.���(G�= $$.�kN�}q�NJ�WNb�xt��KD�k��ol��'�^y�h�GbE9p�h�0[$n'T qr>��ೣ�Ã���1ett����+G�K�L��I6%Z����L�k���7�Sl�m��if��sNW������4���gaC�����/$��+�%������H\a�L�)O���o/lX�N�@������8So9�)�w(�B�H� ����r�. }n>c��3wW~x3��ꊨ�Wd�����XuĊ|���w�N���zm��G��]�B�Ս�Bm/\6B8|�co���F�����>��3���z|7�S`K�ܸ�ƌK��ou�S)Y��g�o@}�X��L4��&�t �vm�w����U�܇&���o���|�i������}:=m���5�o�p��H>\����a����*[b�l ����R�퇜O�}�^ɚ,��V���bP����]뛖�`]o�Z9��d�;[�g�M���)�A�� �`|��S�V4iڥ`�Ş���n�����&Sq�4�����|�Z>8���]���2����`��l,�VV�}�h����G9��3�X��J��S���MClW��-��:��0��+rpE,Z��� j���K�r��Y��Ìj�kFU�0FYn�g95u8���Nm����[�6h�x�b���Óo�eַ��#��8���p��kN�2r2o ��$��}��Oo����6N��pd�fq�%���;�"��}^/AH{�}ȇ#x�f�� xy3l.�7�:���vA��zT��.
17 synthesized by oxidation of benzoin and widely used in food, medicine, pesticide and other 18 industries.
Heat a mixture of benzoin (20 g) and conc. h�bbd``b`��@�q+�`��V BD�� ��b9��P�� �2�� �b%�凌�2)~xߚ���n��-�^��g���'lN�-8��G��T����d�u@���&-::8��0� c1B�x��٣�G��ِ7`�V0[�7�7�7�7�7�7e]E]e]E]e]E]�3T�U��5y=/��?�UHk����ǘVl^�y��U}�ߛ?�IY��O =� h��Xmo�6�+���H�w�@a�v�6C����3�Au�Ĩ#� Principle: Here alcohol group of benzoin is oxidized to ketone group forming benzil in the presence of concentrated nitric acid.Nitration of aromatic ring is not occurring as sulphuric acid is totally absent in the whole process.
Then pour the contents into ice cold water (300 – 400 ml) with continuous shaking. &%::��v��� �@Z�e��a`�bf`�Ĩƴ��H�`Z��4�)�i��y.�����O�e2���e�i���Pg������ Hk0p�=���u�4� ���q�'T7@� ��L; ���f�5�K\����)D6��7~�]�'����Qk�6��y1��_-cd��3F}X����@+7>���q4���{�'"`_8���9���u��g��R-|�j�{+���ȴp�ibk�̭��s�j,�w����j2�=�'V��f%���3f�r�;�����9h���67?�?�]-�K誦�pO*误��E�{K�涻ȣ(�B}�@ܫ�����3,h�����MGi�v/qxmc��f��Zh�[�D�`{��d�D�`������? Benzil will be synthesized as follows, and must be performed in a hood: Weigh out 4.8 g of benzoin (prepared in Part 1; be sure to save enough for analysis, but if using less than the desired 4.8 grams of benzoin, simply proportion the other reagents as … endstream endobj startxref Sej���ݐ�p�Z\SC��T����G�A�|�8a[g�4��D�' �ђy0��G۾x��B�_M��0����� =�3B����F7�!��C�O�,ABǎ16H�z";���T�z�.��q��C���F#h\�0 a�$ԑP=\�=8�.�øJ�W}{\�k��^;A���h1���wn���S���T�p��#ǂ�J�ƒ6��ƚh��#xˑ��V�Th-��z8I��tTnlVژ�Q����K�,o|p��(W�E�Wmt�h�M��zv�.K�Ӧ����U4Aڒ�tٖ�#)���rֵu�(����D�6*���,`cv�Q��|+���]��]W�4�meU'M��u��`��SCvO��Ѩ������t�¼{"���ݳy��]�$W/}oH��cNc�}٣g���$�d�D(]|x���^�yv��G���1��G7��ˣyt㥁Gw���T������|V|_,n�q�v9Y�����n��G����g��� � J
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