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
Cyclodextrins and their derivatives have extensive applications across pharmaceuticals, cosmetics, and the food industry due to their unique hydrophobic cavities. While monosubstituted cyclodextrin derivatives have established synthesis protocols, di-substituted derivatives pose significant challenges, including low yields and complex purification processes. This study presents a novel methodology for synthesizing di-substituted cyclodextrin derivatives, achieving a 33 % yield without relying on chromatographic techniques. This new approach streamlines the synthesis and purification process, making it more practical for large-scale applications and enhancing the utility of cyclodextrin derivatives in various industries.
Download full-text PDF |
Source |
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http://dx.doi.org/10.1016/j.carbpol.2024.122926 | DOI Listing |
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