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1.
Org Lett ; 25(37): 6863-6868, 2023 Sep 22.
Article in English | MEDLINE | ID: mdl-37681688

ABSTRACT

A novel organophotoredox/DABCO catalytic system for the fluoroalkylation of activated allylic acetates via radical-radical coupling is described. The method offers mild reaction conditions, high selectivity, and broad substrate compatibility and enabled diverse bioactive molecules, FDA-approved drugs, and amino acid derivatives to be incorporated into transformation. This study expands the synthetic toolbox for the construction of fluorine-containing molecules.

2.
Org Lett ; 25(31): 5869-5874, 2023 Aug 11.
Article in English | MEDLINE | ID: mdl-37515785

ABSTRACT

We have developed an efficient method that employs organophotoredox-catalyzed relay Grob fragmentation to facilitate the smooth ring-opening allylation of cyclic alcohols in an environmentally friendly manner. This protocol directly incorporates a wide spectrum of cyclic alcohols and activated allylic acetates into the cross-coupling reaction, eliminating the need for metal catalysts. The process yields a variety of distally unsaturated ketones with good to excellent outcomes and stereoselectivity, while acetic acid is the sole byproduct.

3.
Zhongguo Yi Liao Qi Xie Za Zhi ; 30(4): 274-5, 2006 Jul.
Article in Chinese | MEDLINE | ID: mdl-17039937

ABSTRACT

This article elaborates key points of the PACS and RIS project: its overall planning, implementation step by step, integration of PACS and HIS based on IHE, and the prudent selection of partners and so on.


Subject(s)
Information Storage and Retrieval/methods , Radiology Information Systems , Systems Integration , Hospital Information Systems , Humans , Software
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