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10.1021/jo501700c http://scihub22266oqcxt.onion/10.1021/jo501700c C4184455!4184455!25184784     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       J+Org+Chem 2014 ; 79 (19): 9402-7 Nephropedia Template TP {{tp|p=25184784|t=2014. Annulation Reactions of Allenyl Esters: An Approach to Bicyclic Diones and Medium-Sized Rings |pdf=|usr=}}{{25184784}} gab.com Text Annulation Reactions of Allenyl Esters: An Approach to Bicyclic Diones and Medium-Sized Rings JO: J Org Chem http://www.kidney.de/pget.php?&tw=1&pmid=25184784 #FOAvip A flexible approach to construct sterically congested bicyclo-alkenedione frameworks is reported. Under the action of potassium carbonate, ?-sulphonyl cycloalkanones are added to functionalized allenyl esters, leading to a lactone intermediate that is subsequently reduced to initiate an intramolecular aldol cyclization to [3.2.1], [3.3.1], and [4.3.1] bicycles. Oxidation then affords bicyclic diones in good three-step yields. Under exceptionally mild conditions, these bicycles are converted to highly functionalized medium-sized rings through a Grob-type fragmentation. Twit Text FOAVip Annulation Reactions of Allenyl Esters: An Approach to Bicyclic Diones and Medium-Sized Rings ????J Org Chem http://www.kidney.de/pget.php?&tw=1&pmid=25184784 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=25184784 #FOAvip English Wikipedia <ref>{{Cite pmid|25184784}}</ref> Annulation Reactions of Allenyl Esters: An Approach to Bicyclic Diones and Medium-Sized Rings #MMPMID25184784 Bhat B; Maki SL; St.Germain EJ; Maity P; Lepore SD J Org Chem 2014[Oct]; 79 (19): 9402-7 PMID25184784show ga A flexible approach to construct sterically congested bicyclo-alkenedione frameworks is reported. Under the action of potassium carbonate, ?-sulphonyl cycloalkanones are added to functionalized allenyl esters, leading to a lactone intermediate that is subsequently reduced to initiate an intramolecular aldol cyclization to [3.2.1], [3.3.1], and [4.3.1] bicycles. Oxidation then affords bicyclic diones in good three-step yields. Under exceptionally mild conditions, these bicycles are converted to highly functionalized medium-sized rings through a Grob-type fragmentation. äAnnulation Reactions of Allenyl Esters: An Approach to Bicyclic Diones(epmc).pdf DeepDyve Pubget Overpricing