2 navigating the world of social media | introduction Our continued success lies in the efforts of the Sotheby's International Realty network to be good stewards of the brand, to provide excellent service to our customers and to consistently present the Sotheby's International Realty marks according to the standards and guidelines. As we continue to explore the many ways in which social media c...

In the title Schiff base mol-ecule, C(13)H(11)ClN(2)O, the non-H atoms are approximately coplanar (r.m.s. deviation = 0.115 Å) and the two benzene rings are twisted by 9.36 (3)° with respect to each other. The hy-droxy group is hydrogen bonded to the azomethine N atom. In the crystal, an N-H⋯π inter-action is observed between the imino group and the hy-droxy-benzene ring of an adjacent mol-ecule.

The title compound, C(15)H(22)O(4), an eremophilane sesquiternoid, was isolated from the roots of Ligularia virgaurea. Both six-membered rings (A and B) adopt chair conformations and the five-membered ring is almost planar (r.m.s. deviation = 0.016 Å). The two methyl and two hy-droxy groups adopt a syn conformation and the A/B ring junction is cis-fused. An intra-molecular O-H⋯O hydrogen bond g...

In the crystal structure of title compound, C(13)H(10)N(2)O(4), as expected, the nitro- and hy-droxy-substituted benzene rings are planar with r. m. s. deviations of 0.0037 and 0.0014 Å, respectively, but are twisted slightly relative to each other, making a dihedral angle of 12.23 (7)°. The nitro group is only slightly twisted [by 2.71 (16)°] with respect to its parent ring. An intra-molecular...

We present observations of the young stars TW Hya and HD 100546 made with the Australia Telescope Compact Array at 89 GHz with ∼ 2 ′′ resolution and ∼ 3 mJy continuum sensitivity. Compact thermal dust continuum emission is detected from disks surrounding both stars. HD 100546 also shows hints of extended emission, presumably a residual protostellar envelope, which is also visible in scattered l...

In a recent paper the author proved that if Q is any compact metric space containing non-denumerably many points and C(Q) is the Banach space of all continuous functional over ft, then there is a Pettis integrable function from the unit interval to C(0) whose integral fails to be weakly differentiable on a set of positive measure. The purpose of this note is to obtain the same result, assuming ...

A molecular wind with an outflow speed in excess of 200 km s −1 has been found in the AGB carbon star V Hya. Observations of several molecular lines show that the circumstellar envelope is expanding at 15 km s −1 and is flattened and inclined to the line of sight. The fast wind appears to be expanding from the poles of the envelope, with the expansion speed increasing with distance from the sta...

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In the title compound, C(25)H(25)NO(5)S, the O atom of the hy-droxy group is disordered over two positions, with occupancies of 0.820 (2) and 0.180 (2). The sulfonyl-bound benzene ring forms dihedral angles of 31.8 (1) and 60.7 (1)°, respectively, with the hy-droxy-methyl-benzene and phenyl rings. The mol-ecular conformation is stabilized by an intra-molecular O-H⋯O hydrogen bond, generating an...

In the title compound, C(27)H(20)O(2), the phenyl ring is oriented with respect to the naphthalene ring systems at 57.87 (6) and 85.12 (6)°. The two naphthalene ring systems make a dihedral angle of 70.10 (4)°. In the mol-ecule, the hy-droxy groups are involved in a strong intra-molecular O-H⋯O hydrogen bond. In the crystal, inversion dimers linked by pairs of O-H⋯O hydrogen bonds occur. A weak...