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: 1034
Function: getPubMedXML

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3152
Function: GetPubMedArticleOutput_2016

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

Cationic Au versus Au : Catalyst-Controlled Divergent Reactivity of Alkyne-Tethered Lactams. | LitMetric

Cationic Au versus Au : Catalyst-Controlled Divergent Reactivity of Alkyne-Tethered Lactams.

Chemistry

Grupo de LactamasyHeterociclos Bioactivos, Unidad Asociada al CSIC, Departamento de Química Orgánica I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040, Madrid, Spain.

Published: March 2017

Switchable reactivity through cationic gold-based catalyst control built on the oxidation state, namely cationic Au versus Au , has been achieved in the direct functionalization of 2-azetidinone-tethered alkynyl indoles.

Download full-text PDF

Source
http://dx.doi.org/10.1002/chem.201700234DOI Listing

Publication Analysis

Top Keywords

cationic versus
8
versus catalyst-controlled
4
catalyst-controlled divergent
4
divergent reactivity
4
reactivity alkyne-tethered
4
alkyne-tethered lactams
4
lactams switchable
4
switchable reactivity
4
reactivity cationic
4
cationic gold-based
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!