Structure investigation on a novel 2-halo-2,3-unsaturated-N-galactoside, NMR and X-ray diffraction of a monoclinic multidomain crystal.

Single crystal X-ray and NMR investigations on multidomain structured N-(4,6-di-O-acetyl-2,3-dideoxy-α-D-threo-hex-2-en-2-iodo-pyranosyl)-methylsulfonamide are reported. This is the first crystallographic diffraction data report related to a 2-halo-2,3-unsaturated galactoside derivative. A complete structural study, including conformations and crystal packing, was performed by analyzing the spectroscopic data in solid state (XRD) and in solution (NMR).

The role of friendship in the development and maintenance of lesbian love relationships.

The role of friendship in the development and maintenance of lesbian love relationships was investigated by means of a structured interview with 23 lesbian women. Friendship was found to be a key factor in the development of the respondents' first same-sex love relationships; the first sexual/romantic relationship often grew out of an established friendship between the women. Also, friendship was found to be a prime developmental and maintenance factor in the women's current relationships; 78% stated that their current lover had first been their friend, and 77% stated that their current lover had become their closest friend. Some related issues, such as development of a lesbian identity and definitional differences between "lover" and "friend," were also examined. A theoretical discussion interpreting the friendship findings within a feminist framework of women-identification is included.