Application of 951127-25-6. Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 951127-25-6, Name is tert-Butyl ((2R,3S)-2-(2,5-difluorophenyl)-5-oxotetrahydro-2H-pyran-3-yl)carbamate. In a document type is Patent, introducing its new discovery.
Chiral four hydrogen pyranes derivative and its preparation and use (by machine translation)
The invention discloses a formula 22 compound of formula, wherein R is selected from halogen, C1 – C3 alkyl, C2 – C3 alkenyl in one or more of the substituted five to six-membered aryl group, containing 1 – 2 sulfur atoms of the five to six-membered heteroaryl, is C1 – C3 alkylthio substituted C1 – C3 alkyl or containing 1 – 2 sulfur atom of a 5 – 6 membered cycloalkyl. The invention also discloses a preparation method thereof and use thereof. It can realize a plurality of four hydrogen pyrane chiral synthesis of derivatives, does not involve the noble metal catalyst and other raw materials, the cost is reduced. (by machine translation)
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Reference£º
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics