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(R)-3-[(E)-3-(2-Fur­yl)acrylo­yl]-5,5-dimethyl-4-phenyl­oxazolidin-2-one

✍ Scribed by Nie, Lei ;Yang, Rui ;Wang, Juan ;Yan, Sheng-Jiao ;Lin, Jun

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
88 KB
Volume
62
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title compound, C 18 H 17 NO 4 , posesses normal geometrical parameters. It was prepared as a key intermediate in the synthesis of enantiomerically pure 2-amino-3-(2-furyl)pentanoic acid via a Knoevenagel E reaction.

📜 SIMILAR VOLUMES

(3′S,4R)-3-(3′-Cyclo­pentyl-3′-phenyl­pr
(3′S,4R)-3-(3′-Cyclo­pentyl-3′-phenyl­propano­yl)-5,5-dimethyl-4-phenyl-1,3-oxazolidin-2-one
✍ Nie, Lei ;Yang, Rui ;Chen, Jing ;Yan, Sheng-Jiao ;Lin, Jun 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 135 KB

The title compound, C 25 H 29 NO 3 , was prepared from (R)-5,5dimethyl-4-phenyl-3-[(E)-3-phenylacryloyl]oxazolidin-2-one, coupled with cyclopentylmagnesium bromide via asymmetric Michael addition. The relative configuration of the chiral C atoms of the product is as expected.

(+)-(4R,5S)-4-Methyl-5-phenyl-3-[2(S)-ph
(+)-(4R,5S)-4-Methyl-5-phenyl-3-[2(S)-phenyl­propion­yl]oxazolidin-2-one
✍ Coumbarides, Gregory S. ;Eames, Jason ;Motevalli, Majid ;Malatesti, Nela ;Yohann 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 223 KB

In the title compound, C 19 H 19 NO 3 , formed from enantiomerically pure (+)-(4R,5S)-4-methyl-5-phenyl-2-oxazolidinone and racemic 2-phenylpropanoyl chloride, the two carbonyl groups are oriented anti to each other, and the two methyl groups are oriented anti to each other.