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

Regioselective ortho-functionalization of bromofluorenecarbaldehydes using TMPMgCl·LiCl. | LitMetric

Regioselective ortho-functionalization of bromofluorenecarbaldehydes using TMPMgCl·LiCl.

Org Biomol Chem

University of Bremen, Department of Organic and Analytical Chemistry, Leobener Straße 7, 28359 Bremen, Germany.

Published: June 2018

A highly regioselective functionalization of 7-bromofluorene-2-carbaldehydes, potent organic chromophores, in position C3 using a mild ortho-metallation strategy (DoM) with TMPMgCl·LiCl has been developed. This approach allows the preparation of highly functionalized fluorene derivatives by conversion of the in situ generated metalated species with various electrophiles giving a fast access to novel organic phosphorescent dyes.

Download full-text PDF

Source
http://dx.doi.org/10.1039/c8ob01072bDOI Listing

Publication Analysis

Top Keywords

regioselective ortho-functionalization
4
ortho-functionalization bromofluorenecarbaldehydes
4
bromofluorenecarbaldehydes tmpmgcl·licl
4
tmpmgcl·licl highly
4
highly regioselective
4
regioselective functionalization
4
functionalization 7-bromofluorene-2-carbaldehydes
4
7-bromofluorene-2-carbaldehydes potent
4
potent organic
4
organic chromophores
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!