Invention Grant
US06818789B2 Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
有权
3,6-二烷基-5,6-二氢-4-羟基 - 吡喃-2-酮的合成
- Patent Title: Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
- Patent Title (中): 3,6-二烷基-5,6-二氢-4-羟基 - 吡喃-2-酮的合成
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Application No.: US10364692Application Date: 2003-02-10
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Publication No.: US06818789B2Publication Date: 2004-11-16
- Inventor: Michael P. Fleming , Yeun-Kwei Han , Lewis M. Hodges , David A. Johnston , Roger P. Micheli , Kurt Puentener , Chris R. Roberts , Michelangelo Scalone , Mark A. Schwindt , Robert J. Topping
- Applicant: Michael P. Fleming , Yeun-Kwei Han , Lewis M. Hodges , David A. Johnston , Roger P. Micheli , Kurt Puentener , Chris R. Roberts , Michelangelo Scalone , Mark A. Schwindt , Robert J. Topping
- Main IPC: C07C6966
- IPC: C07C6966
Abstract:
The present invention relates to a novel process for producing a &dgr;-lactone of the formula: using an acyl halide of the formula: wherein R1, R2 R3 and X are described herein, as well as novel intermediates. In particular, the present invention relates to a process for enantioselectively producing the (R)-&dgr;-lactone.
Public/Granted literature
- US20030171602A1 Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one Public/Granted day:2003-09-11
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