The (S)-N-Boc-2-pyrrolidone-5-carboxylic acid tert-butyl ester , with cas registry number of 91229-91-3, is a kind of categories of chiral; Chiral Reagent . It is also known as 1-pyrrolidinecarboxylic acid, 2-(2,2-dimethyl-1-oxopropyl)-5-oxo-, 1,1-dimethylethyl ester, (2S)- . Its systematic name is called tert-butyl (2S)-2-(2,2-dimethylpropanoyl)-5-oxo-pyrrolidine-1-carboxylate .

Physical properties about this chemical are: (1) ACD/LogP: 0.75 ; (2) # of Rule of 5 Violations: 0 ; (3) ACD/LogD (pH 5.5): 0.75 ; (4) ACD/LogD (pH 7.4): 0.75 ; (5) ACD/BCF (pH 5.5): 2.2 ; (6) ACD/BCF (pH 7.4): 2.2 ; (7) ACD/KOC (pH 5.5): 61.19 ; (8) ACD/KOC (pH 7.4): 61.19 ; (9) #H bond acceptors: 5 ; (10) #H bond donors: 0 ; (11) #Freely Rotating Bonds: 4 ; (12) Polar Surface Area: 63.68 Å² ; (13) Index of Refraction: 1.485 ; (14) Molar Refractivity: 70.02 cm³ ; (15) Molar Volume: 244.2 cm³ ; (16) Surface Tension: 39.9 dyne/cm ; (17) Density: 1.102 g/cm³ ; (18) Flash Point: 193.9 °C ; (19) Enthalpy of Vaporization: 64.73 kJ/mol ; (20) Boiling Point: 396.9 °C at 760 mmHg ; (21) Vapour Pressure: 1.65E-06 mmHg at 25°C.

In addition, you could convert the following data information into the molecular structure:
(1) SMILES:CC(C)(C)C(=O)[C@@H]1CCC(=O)N1C(=O)OC(C)(C)C;
(2) InChI:InChI=1/C14H23NO4/c1-13(2,3)11(17)9-7-8-10(16)15(9)12(18)19-14(4,5)6/h9H,7-8H2,1-6H3/t9-/m0/s1 ;
(3) InChIKey:BDOFRTXOROFXLO-VIFPVBQEBL