Diphenylalanine

Diphenylalanine
Names
	IUPAC name 2-amino-3,3-diphenyl-propionic acid
Identifiers
CAS Number	149597-92-2 (L-isomer) ; 149597-91-1 (D-isomer) ;
3D model (JSmol)	Interactive image; Interactive image;
ChemSpider	10608219 ;
ECHA InfoCard	100.153.616
CompTox Dashboard (EPA)	DTXSID80933685 ;
	InChI InChI=1S/C15H15NO2/c1-12(15(17)18)16(13-8-4-2-5-9-13)14-10-6-3-7-11-14/h2-12H,1H3,(H,17,18) Key: SAUDSWFPPKSVMK-UHFFFAOYSA-N ; InChI=1/C15H15NO2/c1-12(15(17)18)16(13-8-4-2-5-9-13)14-10-6-3-7-11-14/h2-12H,1H3,(H,17,18) Key: SAUDSWFPPKSVMK-UHFFFAOYAY;
	SMILES OC(C(N)C(C2=CC=CC=C2)C1=CC=CC=C1)=O; CC(N(c1ccccc1)c2ccccc2)C(O)=O;
Properties
Chemical formula	C15H15NO2
Molar mass	241.11 g/mol
Appearance	Solid
Melting point	235 °C (455 °F; 508 K)
Related compounds
Related amino acids	Alanine
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Diphenylalanine is an unnatural amino acid. It is similar to the two amino acids alanine and phenylalanine. It has been used for the synthesis of pseudopeptide analogues which are capable of inhibiting certain enzymes.^[1]

A possible synthesis starts from 3,3-diphenyl-propionic acid which is stereoselective aminated to the diphenylalanine.^[2]

References

^ Leifeng Cheng; Christopher A. Goodwin; Michael F. Schully; Vijay V. Kakkar; Goran Claeson (1992). "Synthesis and biological activity of ketomethylene pseudopeptide analogs as thrombin inhibitors". Journal of Medicinal Chemistry. 35 (18): 3364–3369. doi:10.1021/jm00096a010. PMID 1527787.
^ Huai G. Chen, V. G. Beylin, M. Marlatt, B. Leja and O. P. Goel, (1992). "Chiral cynthesis of D- and L-3,3-diphenylalanine (DIP), unusual α-amino acids for peptides of biological interest". Tetrahedron Letters. 33 (23): 3293–3296. doi:10.1016/S0040-4039(00)92070-7.{{cite journal}}: CS1 maint: extra punctuation (link) CS1 maint: multiple names: authors list (link)

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