01072nas a2200229   4500008004100000022001400041245010200055210006900157260011700226300001200343490000700355520021000362653001500572653002400587653001200611100002400623700001800647700001700665700001500682700001400697856013100711       2005                        eng d  a1424-637600aCatalytic transesterification of beta-ketoesters with zeolite H-FER under solvent free conditions0 aCatalytic transesterification of betaketoesters with zeolite HFE  aC/O ALAN R KATRITZKY, UNIV FLORIDA, DEPT CHEMISTRY, PO BOX 117200, GAINESVILLE, FL 32611 USAbARKAT USA INCcMAY  a162-1680 v133 a<p>Zeolite H-FER catalyzes the transesterification of beta-ketoesters with variety of alcohols under solvent-less condition in excellent yields. The catalyst can be reused without any loss of activity.</p>10aferrierite10atransesterification10azeolite1 aChavan, Subhash, P.1 aPasupathy, K.1 aShengule, S.1 aShinde, V.1 aAnand, R.  uhttps://library.ncl.res.in/content/catalytic-transesterification-beta-ketoesters-zeolite-h-fer-under-solvent-free-conditions-001037nas a2200205   4500008004100000022001400041245011800055210006900173260007500242300001400317520023700331653002200568653001200590653002100602653002000623100002400643700001700667700001800684856012900702       2005                        eng d  a0936-521400aFacile regioselective decomposition of tosylhydrazones: an application towards the synthesis of alpha-lipoic acid0 aFacile regioselective decomposition of tosylhydrazones an applic  aRUDIGERSTR 14, D-70469 STUTTGART, GERMANYbGEORG THIEME VERLAG KGcMAY  a1129-11323 a<p>A facile regioselective decomposition of tosylhydrazones using NaOH as a base in refluxing isopropyl alcohol is described. This finding has been Successfully applied towards the synthesis of (&amp;PLUSMN;)-α-lipoic acid (1).</p>10aalpha-lipoic acid10aOlefins10aRegioselectivity10atosylhydrazones1 aChavan, Subhash, P.1 aKale, R., R.1 aPasupathy, K.  uhttps://library.ncl.res.in/content/facile-regioselective-decomposition-tosylhydrazones-application-towards-synthesis-alpha-001020nas a2200205   4500008004100000022001400041245007600055210006900131260007500200300001400275520027500289653002300564653002200587653001500609653002500624100002400649700001900673700001800692856010400710       2005                        eng d  a0039-788100aSimplistic expedient and practical synthesis of (+/-)-alpha-lipoic acid0 aSimplistic expedient and practical synthesis of alphalipoic acid  aRUDIGERSTR 14, D-70469 STUTTGART, GERMANYbGEORG THIEME VERLAG KGcMAY  a1297-13003 a<p>Synthesis of a-lipoic acid has been achieved by a simple sequence of reactions. The synthesis highlights the use of alpha-chloroesters in a Reformatsky reaction. The intermediate keto acid is an intermediate from which both isomers of lipoic acid can be prepared.</p>10aalpha-chloroesters10aalpha-lipoic acid10aOzonolysis10aReformatsky reaction1 aChavan, Subhash, P.1 aShivsankar, K.1 aPasupathy, K.  uhttps://library.ncl.res.in/content/simplistic-expedient-and-practical-synthesis-alpha-lipoic-acid-0