B. Dinesh, H. R. Manjunath, S. Naveen
Feb 25, 2010
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Journal
Molecular Crystals and Liquid Crystals
Abstract
S-ethyl-2(tert-butoxycarbonylamino)-4-methyl-pentanethioate (Boc-Leu-SEt) was synthesized by the mixed anhydride method IBCF/HOBt. The product obtained was characterized by 1H NMR, MS, and IR techniques, and finally confirmed by X-ray diffraction method. The compound crystallizes in the orthorhombic space group P212121 with cell parameters a = 9.674(8) Å, b = 10.659(7) Å, c = 16.219(13) Å with Z = 4. The structure exhibits both inter and intramolecular hydrogen bonds of the type N–H···O and C–H···O. The molecule possesses a chiral center at C9.