00442nas a2200121   4500008004100000022001400041245003800055210003700093260007500130300001400205100002900219856007200248       2006                        eng d  a0936-521400aBINOL: a versatile chiral reagent0 aBINOL a versatile chiral reagent  aRUDIGERSTR 14, D-70469 STUTTGART, GERMANYbGEORG THIEME VERLAG KGcDEC  a3366-33671 aPandey, Satyendra, Kumar  uhttps://library.ncl.res.in/content/binol-versatile-chiral-reagent-000910nas a2200157   4500008004100000022001400041245007700055210006800132260010600200300001400306490000700320520027300327100002900600700001900629856010400648       2006                        eng d  a0040-403900aEnantioselective synthesis of (2R,3R)- and (2S,3S)-beta-hydroxyornithine0 aEnantioselective synthesis of 2R3R and 2S3Sbetahydroxyornithine  aTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLANDbPERGAMON-ELSEVIER SCIENCE LTDcJUN  a4167-41690 v473 a<p>An efficient and short synthesis of (2R,3R)- and (2S,3S)-beta-hydroxyornithine 1a-b is described using Sharpless asymmetric dihydroxylation and regioselective nucleophilic opening of a cyclic sulfite as the key steps. (c) 2006 Elsevier Ltd. All rights reserved.</p>1 aPandey, Satyendra, Kumar1 aKumar, Pradeep  uhttps://library.ncl.res.in/content/enantioselective-synthesis-2r3r-and-2s3s-beta-hydroxyornithine-000921nas a2200205   4500008004100000022001400041245004600055210004200101260007500143300001400218520025000232653002800482653001900510653002500529653001700554653002000571100002900591700001900620856007600639       2007                        eng d  a0936-521400aConcise synthesis of (-)-deoxoprosopinine0 aConcise synthesis of deoxoprosopinine  aRUDIGERSTR 14, D-70469 STUTTGART, GERMANYbGEORG THIEME VERLAG KGcNOV  a2894-28963 a<p>A simple and highly efficient approach to (-)-deoxoprosopinine from racemic epoxide as a starting material is described employing a Jacobsen's hydrolytic kinetic resolution (HKR) and Sharpless asymmetric dihydroxylation (AD) as key steps.</p>10ahydroboration-oxidation10aJacobsen's HKR10aPiperidine alkaloids10asharpless AD10aTotal synthesis1 aPandey, Satyendra, Kumar1 aKumar, Pradeep  uhttps://library.ncl.res.in/content/concise-synthesis-deoxoprosopinine-001184nas a2200217   4500008004100000022001400041245008400055210006900139260007700208300001200285520034900297653001900646653002000665653002200685653002800707653005100735653002200786100002900808700001900837856011000856       2007                        eng d  a1434-193X00aEfficient total synthesis of (-)-(3S,6R)-3,6-dihydroxy-10-methylundecanoic acid0 aEfficient total synthesis of 3S6R36dihydroxy10methylundecanoic a  aPO BOX 10 11 61, D-69451 WEINHEIM, GERMANYbWILEY-V C H VERLAG GMBHcJAN  a369-3733 a<p>An efficient enantioselective synthesis of (-)-(3S,6R)-3,6-dihydroxy-10-methylundecanoic acid (1) from epichlorohydrin is described. The key steps include Jacobsen's HKR, Sharpless asymmetric dihydroxylation, regioselective opening of epoxide and cyclic sulfate. ((c) Wiley-VCH Verlag GmbH &amp; Co. KGaA, 69451 Weinheim, Germany, 2007).</p>10acyclic sulfate10aDihydroxylation10aGrignard reaction10ahydroboration-oxidation10aJacobsen's hydrolytic kinetic resolution (HKR)10aregio selectivity1 aPandey, Satyendra, Kumar1 aKumar, Pradeep  uhttps://library.ncl.res.in/content/efficient-total-synthesis-3s6r-36-dihydroxy-10-methylundecanoic-acid-001176nas a2200229   4500008004100000022001400041245006200055210005700117260010600174300001400280490000700294520039100301653001200692653002200704653002100726653001900747653002000766100002900786700001900815700001900834856009300853       2008                        eng d  a0040-403900aConcise synthesis of protected (2S,4R)-4-hydroxyornithine0 aConcise synthesis of protected 2S4R4hydroxyornithine  aTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLANDbPERGAMON-ELSEVIER SCIENCE LTDcMAY  a3297-32990 v493 a<p>A short synthesis of the nonproteinogenic amino acid, (2S,4R)-4-hydroxyornithine is described. Starting from racemic benzyl glycidol, the scaffold of the target compound was constructed in high enantio- and diastereoselectivity using Jacobsen's hydrolytic kinetic resolution (HKR) and regioselective opening of an epoxide as key steps. (c) 2008 Elsevier Ltd. All rights reserved.</p>10aEpoxide10aGrignard reaction10ahydroxyornithine10aJacobsen's HKR10aNatural product1 aPandey, Satyendra, Kumar1 aPandey, Menaka1 aKumar, Pradeep  uhttps://library.ncl.res.in/content/concise-synthesis-protected-2s4r-4-hydroxyornithine-001506nas a2200229   4500008004100000022001400041245016600055210006900221260010600290300001400396490000700410520050800417653003000925653005100955653001301006653004601019653001501065100002001080700002901100700001901129856012801148       2009                        eng d  a0040-402000aGeneral approach to medium-sized ring ethers via hydrolytic and oxidative kinetic resolutions: stereoselective syntheses of (-)-cis-lauthisan and (+)-isolaurepan0 aGeneral approach to mediumsized ring ethers via hydrolytic and o  aTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLANDbPERGAMON-ELSEVIER SCIENCE LTDcMAR  a2226-22310 v653 a<p>A short and enantioselective approach to medium ring ethers and its application to the syntheses of (-)-cis-lauthisan and (+)-isolaurepan are described. The synthetic strategy features Jacobson's Hydrolytic Kinetic Resolution (HKR), oxidative resolution of secondary alcohol, and highly diastereoselective Et(3)SiH/TMSOTf-promoted reductive cyclization of a hydroxy ketone to give exclusively the different medium-sized cis-disubstituted cyclic ethers. (C) 2009 Elsevier Ltd. All rights reserved.</p>10acis-Reductive cyclization10aJacobson's Hydrolytic Kinetic Resolution (HKR)10aOxepanes10aOxidative resolution of secondary alcohol10aRing ether1 aTripathi, Divya1 aPandey, Satyendra, Kumar1 aKumar, Pradeep  uhttps://library.ncl.res.in/content/general-approach-medium-sized-ring-ethers-hydrolytic-and-oxidative-kinetic-resolutions-0