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Shape of 4( S )- and 4( R )-Hydroxyproline in Gas Phase

✍ Scribed by Lesarri, Alberto; Cocinero, Emilio J.; López, Juan C.; Alonso, José L.

Book ID
127085375
Publisher
American Chemical Society
Year
2005
Tongue
English
Weight
274 KB
Volume
127
Category
Article
ISSN
0002-7863

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Alkylierung in der 2-Stellung von (2S, 4
Alkylierung in der 2-Stellung von (2S, 4R)- 4-Hydroxyprolin unter Retention
✍ Theodor Weber; Dieter Seebach 📂 Article 📅 1985 🏛 John Wiley and Sons 🌐 German ⚖ 457 KB

**Alkylation in the 2‐Position of (2__S__, 4__R__)‐4‐Hydroxyproline with Retention of Configuration** __O__‐Acetyl‐4‐hydroxyproline (**1b**) is condensed with pivalaldehyde to give a single stereoisomer of the 2‐(__tert__‐butyl)‐4‐oxo‐3‐oxa‐1‐azabicyclo[3.3.0]oct‐7‐yl acetate (**3**). This is conve