Synthesis 2019; 51(07): 1565-1577
DOI: 10.1055/s-0037-1611356
paper
© Georg Thieme Verlag Stuttgart · New York

From Bioactive Pyrrolidino[3,4-c]pyrrolidines to more Bioactive Pyrrolidino[3,4-b]pyrrolidines via Ring-Opening/Ring-Closing Promoted by Sodium Methoxide

Samet Belveren
a   Department of Chemistry, Faculty of Pharmacy, Mersin University, 33169 Mersin, Turkey   eMail: yakdas25@mersin.edu.tr
,
Olatz Larrañaga
b   Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
c   Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco/Euskal Herriko Unibertsitatea UPV/EHU, and Donostia International Physics Center (DIPC), P. K. 1072, 20018 San Sebastián, Spain
,
Samet Poyraz
a   Department of Chemistry, Faculty of Pharmacy, Mersin University, 33169 Mersin, Turkey   eMail: yakdas25@mersin.edu.tr
,
H. Ali Dondas*
a   Department of Chemistry, Faculty of Pharmacy, Mersin University, 33169 Mersin, Turkey   eMail: yakdas25@mersin.edu.tr
,
Mahmut Ülger
d   Department of Pharmaceutical Microbiology. Faculty of Pharmacy, Mersin University, 33169 Mersin, Turkey
,
Ertan Şahin
e   Department of Chemistry, Faculty of Science and Arts, Atatürk University, 25240 Erzurum, Turkey
,
Marcos Ferrándiz-Saperas
b   Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
f   Departamento de Química Orgánica, Instituto de Síntesis Orgánica, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain   eMail: jmsansano@ua.es
,
José M. Sansano*
b   Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
f   Departamento de Química Orgánica, Instituto de Síntesis Orgánica, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain   eMail: jmsansano@ua.es
,
M. de Gracia Retamosa
b   Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
f   Departamento de Química Orgánica, Instituto de Síntesis Orgánica, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain   eMail: jmsansano@ua.es
,
Abel de Cózar
b   Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
c   Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco/Euskal Herriko Unibertsitatea UPV/EHU, and Donostia International Physics Center (DIPC), P. K. 1072, 20018 San Sebastián, Spain
g   IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain
› Institutsangaben

We are grateful for support from Mersin University [Project no: MEU-2017-COL-01007-M150D and BAP-SBE AKB (SB) 2012-8 YL and BAP 2015- AP2-1342]. We gratefully acknowledge financial support from the Spanish Ministerio de Economía y Competitividad (MINECO) (projects CTQ2013-43446-P and CTQ2014-51912-REDC), the Spanish Ministerio de Economía, Industria y Competitividad, Agencia Estatal de Investigación (AEI) and Fondo Europeo de Desarrollo Regional (FEDER, EU) (projects CTQ2016-76782-P and CTQ2016-81797-REDC), the Generalitat Valenciana (PROMETEOII/2014/017), the Gobierno Vasco/Eusko Jaurlaritza (GV/EJ, grant IT673-13), and the University of Alicante. O.L. gratefully acknowledges UPV/EHU for her postdoctoral grant. O.L. and A.d.C. gratefully thank SGI/IZO-SGIker and DIPC for generous allocation of computational resources.
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Publikationsverlauf

Received: 24. September 2018

Accepted after revision: 23. Oktober 2018

Publikationsdatum:
12. Dezember 2018 (online)


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¥ Corresponding Author for Calculations: abel.decozar@ehu.es

Abstract

The process involving a rearrangement of pyrrolidino[3,4-c]pyrrolidine to another pyrrolidino[3,4-b]pyrrolidine using sodium methoxide as base is fully studied. The effects of the substituents are analyzed during the ring-opening/ring-closing sequence. Computational studies are also performed to explain the importance of susbstituents and quaternary carbons, especially when the (3-indolyl)methyl is present in the starting material. Finally, all the samples are evaluated as potential candidates for antibacterial and antimycobacterial activities.

Supporting Information