Fmoc-(2S,3R)-3-phenylpyrrolidine-2-carboxylic acid
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Fmoc-(2S,3R)-3-phenylpyrrolidine-2-carboxylic acid

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Category
Cyclic Amino Acids
Catalog number
BAT-010869
CAS number
281655-32-1
Molecular Formula
C26H23NO4
Molecular Weight
413.46
IUPAC Name
(2S,3R)-1-(9H-fluoren-9-ylmethoxycarbonyl)-3-phenylpyrrolidine-2-carboxylic acid
Synonyms
Racemic Fmoc-trans-3-phenyl-pyrrolidine-2-carboxylic acid; Fmoc-trans-Pro(3-Ph)-OH (rac)
Density
1.299±0.06 g/cm3
Boiling Point
626.3±55.0 °C at 760 mmHg
InChI
InChI=1S/C26H23NO4/c28-25(29)24-18(17-8-2-1-3-9-17)14-15-27(24)26(30)31-16-23-21-12-6-4-10-19(21)20-11-5-7-13-22(20)23/h1-13,18,23-24H,14-16H2,(H,28,29)/t18-,24+/m1/s1
InChI Key
XZINBBVSLWSWBO-KOSHJBKYSA-N
Canonical SMILES
C1CN(C(C1C2=CC=CC=C2)C(=O)O)C(=O)OCC3C4=CC=CC=C4C5=CC=CC=C35
1. Diastereoselective Synthesis of 1-Deoxygalactonojirimycin, 1-Deoxyaltronojirimycin, and N-Boc-(2S,3S)-3-Hydroxypipecolic Acid via Proline Catalyzed α-Aminoxylation of Aldehydes
Shibin Chacko, Ramesh Ramapanicker J Org Chem. 2015 May 1;80(9):4776-82. doi: 10.1021/acs.joc.5b00424. Epub 2015 Apr 17.
An efficient synthesis of deoxygalactonojirimycin and deoxyaltronojirimycin through the use of proline catalyzed asymmetric α-aminoxylation of a higher homologue of Garner's aldehyde, derived from l-aspartic acid, is reported. The method is also used for a highly diastereoselective synthesis of the N-Boc derivative of (2S,3S)-3-hydroxypipecolic acid. The configuration of the proline catalyst used for the asymmetric aminoxylation step ultimately controls the absolute configuration of three adjacent stereogenic centers in the final products.
2. Stereoselective Synthesis of (4 S,5 S)-5-Vinyloxazolidin-2-one-4-carboxylate as a β-Vinylserine Synthetic Equivalent by Vinyl Grignard Addition to an N-Tosyl Version of Garner's Aldehyde
Ernest G Nolen, Yuqi M Cao, Brynn D Lewis, Madison H Powers, Andrew W Thompson, John M Bennett Synlett. 2021;32(6):601-604. doi: 10.1055/a-1308-0370. Epub 2020 Nov 10.
A highly efficient synthesis of a β-vinylserine synthetic equivalent is reported that exploits the stereodirecting effect of the N-toluenesulfonamide in an anti-diastereoselective (8.5:1) vinyl Grignard addition to an analogue of Garner's aldehyde. Both aryl and alkyl Grignards are shown to give increased anti-selectivity compared with N-Boc Garner's aldehyde.
3. Homochiral 4-azalysine building blocks: syntheses and applications in solid-phase chemistry
Siri Ram Chhabra, Anju Mahajan, Weng C Chan J Org Chem. 2002 Jun 14;67(12):4017-29. doi: 10.1021/jo010456e.
Anomalous amino acids not only play central roles as mimics of natural amino acids but also offer opportunities as unique building blocks for combinatorial chemistry. This paper describes the chiral syntheses and solid-phase applications of a versatile atypical amino acid, 4-azalysine (2,6-diamino-4-azahexanoic acid) 1. The syntheses of differentially protected 4-azalysine derivatives 28a-e have been developed by two efficient and inexpensive routes that start either from Garner's aldehyde 16 or the chiron (S)-N(alpha)-Cbz-2,3-diaminopropionic acid 23. Both approaches employ the convergent modular concept and exploit reductive amination of aldehydes with amines as the key step for the fusion of the two segments. In the first route, the overall process inverts the chirality of the starting material, L-serine, and thus provides an excellent route to the unnatural D-isomers. The alternative route starting from L-asparagine provides a shorter and high-yielding route to orthogonally protected 4-azalysine derivatives. The corresponding N(2)-Fmoc-4-azalysines 31a-e, readily derived from the key intermediate 27, are compatible with the Fmoc-based solid-phase peptide synthesis (SPPS) and solid-phase organic chemistry (SPOC) protocols. Furthermore, the utility and versatility of another key structure, tris-Boc-4-azalysine 2 in the engineering of novel high-loading dendrimeric polystyrene resins 33 and 36, have been demonstrated. Following derivatization with the Rink amide linker 34, the stability and robustness of these resin-bound dendrimers 35 and 37 in the synthesis of small molecules using a range of reaction conditions (e.g., Mitsunobu and Suzuki reactions) have been effectively illustrated.
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