Methyl 6-O-trityl-α-d-glucopyranoside methanol disolvate
نویسندگان
چکیده
The asymmetric unit of the title compound, C26H28O6·2CH3OH, contains two independent methyl 6-O-trityl-α-d-gluco-pyran-oside mol-ecules and four methanol solvent mol-ecules. The rings of two methyl α-d-gluco-pyran-oside adopt chair conformations. In the crystal, extensive intra- and inter-molecular O-H⋯O and C-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional supra-molecular architecture.
منابع مشابه
Qualitative evaluation of regioselectivity in the formation of di- and tri-6-O-tritylates of α-cyclodextrin
The quantitative analysis of reaction products showed that the reaction of 6(A),6(D)-di-O-trityl-α-cyclodextrin (CD), AD-isomer, with trityl chloride in pyridine at 55 °C gave 6(A),6(B),6(E)-tri-O-trityl-α-CD, the amount of which was only 25% of that of simultaneously formed 6(A),6(B),6(D)-tri-O-trityl-α-CD. This indicates that the bulky trityl groups of glucopyranose-A and -D (Glu-A and -D, re...
متن کاملBis[2,6-bis(1-methyl-1H-benzimidazol-2-yl-κN 3)pyridine-κN]zinc dipicrate methanol disolvate
In the title compound, [Zn(C(21)H(17)N(5))(2)](C(6)H(2)N(3)O(7))(2)·2CH(3)OH, the Zn(II) atom is coordinated by six N atoms from two tridentate 2,6-bis-(1-methyl-1H-benzimidazol-2-yl)pyridine ligands in a distorted octa-hedral environment. In the crystal, the picrate anions and methanol solvent mol-ecules are connected by O-H⋯O hydrogen bonds. Weak inter-molecular C-H⋯O hydrogen bonds are also ...
متن کاملDi-μ-methoxido-μ-oxido-bis[triphenylantimony(V)] methanol disolvate
The title compound, [Sb(2)(C(6)H(5))(6)(CH(3)O)(2)O]·2CH(3)OH, is the methanol disolvate of a dinuclear triphenyl-anti-mony derivative. The mol-ecule shows C(s) symmetry. The Sb-O-Sb angles cover a range from 89.65 (10)° to 102.08 (13)°. In the crystal structure, two O-H⋯O hydrogen bonds are present.
متن کاملAmiloride hydrochloride methanol disolvate
IN THE CRYSTAL OF THE TITLE COMPOUND [SYSTEMATIC NAME: 2-(3,5-diamino-6-chloro-pyrazin-2-ylcarbon-yl)guanidinium chloride methanol disolvate], C(6)H(9)ClN(7)O(+)·Cl(-)·2CH(3)OH , the components are connected by N-H⋯N, N-H⋯Cl, N-H⋯O, O-H⋯Cl and O-H⋯O hydrogen bonds into a three-dimensional network. The dihedral angle between the aromatic ring and the guanidine residue is 6.0 (2)°.
متن کامل(E)-2,6-Dibromo-4-{2-[1-(1H,1H,2H,2H-perfluorooctyl)pyridinium-4-yl]ethenyl}phenolate methanol disolvate, a fluoroponytailed solvatochromic dye
The title compound, C21H12Br2F13NO·2CH3OH, was obtained by condensation of 4-methyl-1-(1H,1H,2H,2H-perfluoro-oct-yl)pyridinium iodide and 3,5-di-bromo-4-hy-droxy-benzaldehyde, followed by deprotonation. It crystallizes as a methanol disolvate and exhibits short O-H⋯O hydrogen bonds and a disordered perfluoro-alkyl chain [occupancy ratio 0.538 (7):0.462 (7)]. Significant π-π stacking inter-actio...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره 70 شماره
صفحات -
تاریخ انتشار 2014