A PHP Error was encountered

Severity: Warning

Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests

Filename: helpers/my_audit_helper.php

Line Number: 176

Backtrace:

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3122
Function: getPubMedXML

File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global

File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword

File: /var/www/html/index.php
Line: 316
Function: require_once

One-pot decarboxylative acylation of N-, O-, S-nucleophiles and peptides with 2,2-disubstituted malonic acids. | LitMetric

One-pot decarboxylative acylation of N-, O-, S-nucleophiles and peptides with 2,2-disubstituted malonic acids.

Chemistry

Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, FL 32611-7200 (USA), Fax: (+1) 352-392-9199; Department of Chemistry and Physics, Georgia Regents University, 1120 15th Street SCI W3005, Augusta, GA 30912 (USA).

Published: September 2014

Monocarbonyl activation of 2,2-disubstituted malonic acids with benzotriazole leads to decarboxylation of one of the carboxy groups and formation of a CH bond. Intermediate carbonyl benzotriazoles then readily acylate nucleophilic reagents and peptides resulting in libraries of conjugates and peptidomimetics.

Download full-text PDF

Source
http://dx.doi.org/10.1002/chem.201403529DOI Listing

Publication Analysis

Top Keywords

22-disubstituted malonic
8
malonic acids
8
one-pot decarboxylative
4
decarboxylative acylation
4
acylation s-nucleophiles
4
s-nucleophiles peptides
4
peptides 22-disubstituted
4
acids monocarbonyl
4
monocarbonyl activation
4
activation 22-disubstituted
4

Similar Publications

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!