4-tert-Butyl-3′,4′-bis(4-methylphenyl)-3,4-dihydro-1H,4′H-spiro[naphthalene-2,5′-[1,2]oxazol]-1-one
نویسندگان
چکیده
منابع مشابه
tert-Butyl 2-[4-(2-{4-[(tert-butoxycarbonyl)methoxy]-3-methylphenyl}-2-propyl)-2-methylphenoxy]acetate
In the mol-ecule of the title compound, C(29)H(40)O(6), the carbon atom belonging to the propyl chain is connected to two aromatic rings that open up the C(ar-yl)-C-C(ar-yl) angle to 111.5 (1)°. The four-atom -O-CH(2)-C(=O)-O- linkage between the aromatic ring and the tert-butyl group assumes a (-)anti-periplanar conformation for one substituent and a (-)syn-periplanar conformation for the othe...
متن کامل4-tert-Butyl-3′,4′-bis(4-methylphenyl)-3,4-dihydro-1H,4′H-spiro[naphthalene-2,5′-[1,2]oxazol]-1-one
In the title compound, C(30)H(31)NO(2), the cyclo-hexa-none ring in the naphthalene fused-ring system adopts a half-chair conformation, presumably due to conjugation of the benzene ring. The naphthalene ring system makes dihedral angles of 86.63 (7), 65.15 (8) and 63.18 (8)° with respect to the two methyl-benzene planes and the 1,2-oxazole ring system. Inter-molecular C-H⋯O and C-H⋯N hydrogen b...
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We reviewed the historic and present distribution of Greater Sage-Grouse (Centrocercus urophasianus) in Canada and found that the species has been eliminated from approximately 90% of its estimated historic distribution. Sage-grouse have been extirpated from British Columbia and reduced to remnant populations in Alberta and Saskatchewan. Estimates of the size of the population decline in Canada...
متن کاملtert-Butyl 2-sulfanylidene-2,3-dihydro-1H-imidazole-1-carboxylate
In the title mol-ecule, C(8)H(12)N(2)O(2)S, the imidazole ring forms a dihedral angle of 5.9 (2)° with the mean plane of the carboxyl-ate group. In the crystal, mol-ecules are linked by pairs of N-H⋯S hydrogen bonds, forming inversion dimers.
متن کامل1-(3-tert-Butyl-4-hydroxyphenyl)ethanone
The title compound, C(12)H(16)O(2), is approximately planar (r.m.s. deviation = 0.030 Å), apart from two methyl groups of the tert-butyl unit [deviations of the C atoms = 1.140 (2) and -1.367 (1) Å]. In the crystal, inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into hexa-meric rings with R(6) (6)(48) graph-set motifs.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2011
ISSN: 1600-5368
DOI: 10.1107/s1600536811025086