期刊
ORGANIC LETTERS
卷 17, 期 21, 页码 5372-5375出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.5b02720
关键词
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资金
- Kurata Memorial Hitachi Science and Technology Foundation
- Ministry of Education, Culture, Sports, Science and Technology
- MEXT, Japan
- JSPS
- Ministry of Education, Culture, Sports, Science and Technology, Japan
- JSPS Research Fellowships for Young Scientists
- Grants-in-Aid for Scientific Research [26282219, 15J04754, 26105721] Funding Source: KAKEN
A remarkable improvement of the photochemical properties of coumarin-type photolabile protecting groups was achieved by iodine substitution. The newly identified 7-hydroxy-6-iodo-8-azacoumarin (8-aza-Ihc)-caged acetate showed excellent photolytic efficiency, significantly higher than that of the corresponding bromine-containing coumarin- and azacoumarin-type caging groups. The results provide a solid approach to improving the photosensitivity of photolabile protecting groups.
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