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

Fluorocyclohexanes: synthesis and structure of all-syn-1,2,4,5-tetrafluorocyclohexane. | LitMetric

The all-syn isomer of 1,2,4,5-tetrafluorocyclohexane is prepared and characterised by NMR and X-ray crystallography. It emerges to be a particularly polar cyclohexane analogue with differentially polarised faces.

Download full-text PDF

Source
http://dx.doi.org/10.1039/c2cc34679fDOI Listing

Publication Analysis

Top Keywords

fluorocyclohexanes synthesis
4
synthesis structure
4
structure all-syn-1245-tetrafluorocyclohexane
4
all-syn-1245-tetrafluorocyclohexane all-syn
4
all-syn isomer
4
isomer 1245-tetrafluorocyclohexane
4
1245-tetrafluorocyclohexane prepared
4
prepared characterised
4
characterised nmr
4
nmr x-ray
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!