Shih‐Yao Yen , Jiun‐Rung Guo , Yi‐Ling Yan , Yu‐Chen Chou , Ching‐Ching Yu , Chien‐Fu Liang
{"title":"对乙酰氧基碳酸酯在低聚糖合成中作为正交羟基保护基团的研究","authors":"Shih‐Yao Yen , Jiun‐Rung Guo , Yi‐Ling Yan , Yu‐Chen Chou , Ching‐Ching Yu , Chien‐Fu Liang","doi":"10.1002/ejoc.202500311","DOIUrl":null,"url":null,"abstract":"<div><div>This study describes the utility of <em>p</em>‐acetoxybenzyl carbonate (ABC) group for the protection of hydroxyl functions. This hydroxyl protecting group can be easily prepared using inexpensive commercially available 4‐hydroxybenzyl alcohol as the starting material. The ABC group can be selectively removed through ytterbium(III) triflate‐catalyzed transesterification at room temperature without affecting commonly used acid‐cleavable protecting groups, such as <em>tert</em>‐butyldimethylsilyl (TBDMS), <em>p</em>‐methoxybenzyl (PMB), acetonide, and benzylidenes. Notably, the ABC protecting group is stable under glycosylation conditions in oligosaccharide synthesis.</div></div>","PeriodicalId":167,"journal":{"name":"European Journal of Organic Chemistry","volume":"28 25","pages":"Article e202500311"},"PeriodicalIF":2.7000,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Insight on p‐Acetoxybenzyl Carbonate as an Orthogonal Hydroxyl Protecting Group in Oligosaccharide Synthesis\",\"authors\":\"Shih‐Yao Yen , Jiun‐Rung Guo , Yi‐Ling Yan , Yu‐Chen Chou , Ching‐Ching Yu , Chien‐Fu Liang\",\"doi\":\"10.1002/ejoc.202500311\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>This study describes the utility of <em>p</em>‐acetoxybenzyl carbonate (ABC) group for the protection of hydroxyl functions. This hydroxyl protecting group can be easily prepared using inexpensive commercially available 4‐hydroxybenzyl alcohol as the starting material. The ABC group can be selectively removed through ytterbium(III) triflate‐catalyzed transesterification at room temperature without affecting commonly used acid‐cleavable protecting groups, such as <em>tert</em>‐butyldimethylsilyl (TBDMS), <em>p</em>‐methoxybenzyl (PMB), acetonide, and benzylidenes. Notably, the ABC protecting group is stable under glycosylation conditions in oligosaccharide synthesis.</div></div>\",\"PeriodicalId\":167,\"journal\":{\"name\":\"European Journal of Organic Chemistry\",\"volume\":\"28 25\",\"pages\":\"Article e202500311\"},\"PeriodicalIF\":2.7000,\"publicationDate\":\"2025-07-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"European Journal of Organic Chemistry\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://www.sciencedirect.com/org/science/article/pii/S1434193X2500310X\",\"RegionNum\":3,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, ORGANIC\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Journal of Organic Chemistry","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/org/science/article/pii/S1434193X2500310X","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, ORGANIC","Score":null,"Total":0}
Insight on p‐Acetoxybenzyl Carbonate as an Orthogonal Hydroxyl Protecting Group in Oligosaccharide Synthesis
This study describes the utility of p‐acetoxybenzyl carbonate (ABC) group for the protection of hydroxyl functions. This hydroxyl protecting group can be easily prepared using inexpensive commercially available 4‐hydroxybenzyl alcohol as the starting material. The ABC group can be selectively removed through ytterbium(III) triflate‐catalyzed transesterification at room temperature without affecting commonly used acid‐cleavable protecting groups, such as tert‐butyldimethylsilyl (TBDMS), p‐methoxybenzyl (PMB), acetonide, and benzylidenes. Notably, the ABC protecting group is stable under glycosylation conditions in oligosaccharide synthesis.
期刊介绍:
The European Journal of Organic Chemistry (2019 ISI Impact Factor 2.889) publishes Full Papers, Communications, and Minireviews from the entire spectrum of synthetic organic, bioorganic and physical-organic chemistry. It is published on behalf of Chemistry Europe, an association of 16 European chemical societies.
The following journals have been merged to form two leading journals, the European Journal of Organic Chemistry and the European Journal of Inorganic Chemistry:
Liebigs Annalen
Bulletin des Sociétés Chimiques Belges
Bulletin de la Société Chimique de France
Gazzetta Chimica Italiana
Recueil des Travaux Chimiques des Pays-Bas
Anales de Química
Chimika Chronika
Revista Portuguesa de Química
ACH—Models in Chemistry
Polish Journal of Chemistry.