4-tert-Butyl-γ-chlorobutyrophenone

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tert-Butyl 4-cyano­phenyl carbonate

The title compound, C(12)H(13)NO(3), was prepared by reacting one equivalent of di-tert-butyl dicarbonate with 4-cyano-phenol. Herringbone crystal packing is observed and there are no significant inter-molecular inter-actions.

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2,6-Di-tert-butyl-4-(methoxy­meth­yl)phenol

The title compound, C(16)H(26)O(2), was easily obtained in high yield when 4-bromo-methyl-2,6-di-tert-butyl-phenol was reacted with methanol. There are two independent mol-ecules in the asymmetric unit. The meth-oxy group in each of the independent mol-ecules was found to be disordered, with site-occupation factors of 0.8728 (18)/0.1272 (18) and 0.8781 (17)/0.1219 (17).

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tert-Butyl 2-(4-nitro­phen­oxy)acetate

In the title mol-ecule, C(12)H(15)NO(5), the nitro-phen-oxy portion is approximately planar (r.m.s. deviation = 0.034 Å) and makes an angle of 84.8 (1)° with respect to the -CH(2)-C(=O)-O-C fragment. In the crystal, π-π stacking is observed between nearly parallel benzene rings of adjacent mol-ecules, the centroid-centroid distance being 3.6806 (10) Å. Weak inter-molecular C-H⋯O hydrogen bondin...

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2-tert-Butyl-6-(cyclo­hexyl­imino­meth­yl)-4-meth­oxy­phenol

The asymmetric unit of the title Schiff base compound, C(18)H(27)NO(2), contains two independent mol-ecules in which the C=N bond lengths are 1.278 (2) and 1.280 (2) Å and the cyclo-hexane rings adopt chair conformations. Intra-molecular O-H⋯N hydrogen bonding between hy-droxy and imine groups and weak C-H⋯O hydrogen bonds help to stabilize the mol-ecular structure.

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ژورنال

عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online

سال: 2005

ISSN: 1600-5368

DOI: 10.1107/s1600536805028771