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Efficient Medium Ring Size Bromolactonization Using a Sulfur-Based Zwitterionic Organocatalyst
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DOI：10.1021/ja307210n.png)
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摘要
En 中文
Catalytic bromolactonization of long-chain olefinic acids resulting in the efficient synthesis of medium-sized lactones is reported using a zwitterionic catalyst and stoichiometric N-bromosuccinimide halogen source. The reaction was found to be more efficient at 0 degrees C than at room temperature, which could be attributed to the temperature dependence of the zwitterionic catalyst.
Keyword:
CHIRAL AMMONIUM BETAINES
ASYMMETRIC TOTAL-SYNTHESIS
CLOSING-METATHESIS
STEREOSELECTIVE-SYNTHESIS
CLOSURE REACTIONS
LACTONES
THIOCARBAMATE
LACTONIZATION
CATALYSIS
ACIDS
期刊
IF:
15.6
论文数:
20.0W
被引数:
60.2W
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