Regioselective synthesis of N1-substituted-4-nitropyrazole-5-carboxylates via the cyclocondensation of ethyl 4-(dimethylamino)-3-nitro-2-oxobut-3-enoate with substituted hydrazines

  • user warning: Table './slickfinder_drupal/comments' is marked as crashed and last (automatic?) repair failed query: SELECT COUNT(*) FROM comments c WHERE c.nid = 401519 AND c.status = 0 in /var/www/vhosts/slickfinder.com/httpdocs/modules/comment/comment.module on line 991.
  • user warning: Table './slickfinder_drupal/comments' is marked as crashed and last (automatic?) repair failed query: SELECT c.cid as cid, c.pid, c.nid, c.subject, c.comment, c.format, c.timestamp, c.name, c.mail, c.homepage, u.uid, u.name AS registered_name, u.signature, u.signature_format, u.picture, u.data, c.thread, c.status FROM comments c INNER JOIN users u ON c.uid = u.uid WHERE c.nid = 401519 AND c.status = 0 ORDER BY c.thread DESC LIMIT 0, 200 in /var/www/vhosts/slickfinder.com/httpdocs/modules/comment/comment.module on line 991.
  • user warning: Table './slickfinder_drupal/sessions' is marked as crashed and last (automatic?) repair failed query: SELECT COUNT(sid) AS count FROM sessions WHERE timestamp >= 1669970984 AND uid = 0 in /var/www/vhosts/slickfinder.com/httpdocs/includes/session.inc on line 157.
  • user warning: Table './slickfinder_drupal/sessions' is marked as crashed and last (automatic?) repair failed query: SELECT COUNT(DISTINCT s.uid) FROM sessions s WHERE s.timestamp >= 1669970984 AND s.uid > 0 in /var/www/vhosts/slickfinder.com/httpdocs/modules/user/user.module on line 790.

Org. Biomol. Chem., 2022, Advance ArticleDOI: 10.1039/D2OB02006H, PaperRulin Zhao, Zhenqiu Hong, Bei Wang, James Kempson, Lyndon Cornelius, Jianqing Li, Yi-Xin Li, Arvind MathurA simple and expeditious method for the regioselective synthesis of N1-substituted-4-nitropyrazole-5-carboxylates 2 was developed with excellent regioselectivity and good yields.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry

Powered by Drupal - Design by artinet

Drupal SEO