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

Preparation of 1-fluoro-4-methyl-9H-[carbonyl-(14) C]thioxanthen-9-one and amine derivatives. | LitMetric

Preparation of 1-fluoro-4-methyl-9H-[carbonyl-(14) C]thioxanthen-9-one and amine derivatives.

J Labelled Comp Radiopharm

Department of Organic Chemistry, Faculty of Chemistry, Semnan University, PO Box: 35131-19111, Semnan, Iran.

Published: June 2016

9H-Thioxanthen-9-ones are an important class of compound and are a common heterocyclic scaffold in biologically active and medicinally significant compounds. In this paper the synthesis of 1-fluoro-4-methyl-9H-thioxanthen-9-one and some amine derivatives labeled with carboxyl-14 is described.

Download full-text PDF

Source
http://dx.doi.org/10.1002/jlcr.3406DOI Listing

Publication Analysis

Top Keywords

amine derivatives
8
preparation 1-fluoro-4-methyl-9h-[carbonyl-14
4
1-fluoro-4-methyl-9h-[carbonyl-14 c]thioxanthen-9-one
4
c]thioxanthen-9-one amine
4
derivatives 9h-thioxanthen-9-ones
4
9h-thioxanthen-9-ones class
4
class compound
4
compound common
4
common heterocyclic
4
heterocyclic scaffold
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!