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(12) PATENT APPLICATION PUBLICATION (21) Application No.1441/CHENP/2012 A (19) INDIA (22) Date of filing of Application :15/02/2012 (43) Publication Date : 21/06/2013 (54) Title of the invention : SYNTHESIS OF C-3 COUPLED BIFLAVONOIDS AND C-3 COUPLED BIFLAVONOID ANALOGUES• (51) International classification :C07D311/28 (31) Priority Document No :2009/05765 (32) Priority Date :19/08/2009 (33) Name of pr ority country :South Africa (86) International Application No Filing Date (87) International Publication No : NA (61) Patent of Addition to Application :NA Number :NA Filing Date (62) Divisional to Application Number Filing Date :PCT/I 2010/053755 :19/08/2010 :NA :NA (71)Name of Applicant : 1)UNIVERSITY OF THE FREE STATE Address of Applicant :Department of Chemistry Nelson Mandela Drive 9301 Bloemfontein South Africa (72)Name of Inventor : 1)VAN DER WESTHUIZEN Jan Hendrik 2)BONNET Susanna Lucia 3)ACHILONU Mathew 4)SISA Miroslav (57) Abstract : The invention relates to methods for the preparation of an optically inactive and optically active compounds which are selected from the group consisting of C-3 coupled biflavonoids and C-3 coupled biflavonoid analogues from a starting material or intermediate which are respectively selected from the group consisting of optically inactive or optically active flavan-3-ols and optically active flavan-3-ones the method comprising the steps of (a) providing an optically inactive or active compound having a fIavan-3-ol structure or a compound which is a flavan-3-one (b) if a compound having a flavan-3-ol structure with a hydroxy group on the C-3 carbon is selected as starting material converting the hydroxy group on the C-3 carbon of the compound having the flavan-3-ol structure to an oxo group to form a flavan-..... No. of Pages : 28 No. of Claims : 15 The Patent Office Journal 21/06/2013 13792
(12) PATENT APPLICATION PUBLICATION (21) Application No.1443/CHE/2011 A (19) INDIA (22) Date of filing of Application :26/04/2011 (43) Publication Date : 21/06/2013 (54) Title of the invention : ENZYMATIC PROCESS FOR THE PREPARATION OF MIGLITOL AND ITS INTERMEDIATES THEREOF (51) International classification :C12P (31) Priority Document No :NA (32) Priority Date :NA (33) Name of priority country :NA (86) International Application No :NA Filing Date :NA (87) International Publication No : NA (61) Patent of Addition to Application Number :NA Filing Date :NA (62) Divisional to Application Number :NA Filing Date :NA (71)Name of Applicant : 1)MATRIX LABORATORIES LTD, Address of Applicant :PLOT NO 564/A/22, ROAD NO 92, JUBILEE HILLS, HYDERBAD-500 033 Andhra Pradesh India (72)Name of Inventor : 1)SETHI, MADHURESH KUMAR 2)BHANDYA, SOMASHEKHAR RUDRAPPA 3)MADDUR, NAGARAJ 4)SHUKLA, ROHIT 5)ANISH KUMAR (57) Abstract : The present invention relates to novel enzymatic process for the preparation of Miglitol and deoxynorjorimycin hydrochloride, a key intermediate of Miglitol. No. of Pages : 13 No. of Claims : 10 The Patent Office Journal 21/06/2013 13793
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