This is a postprint of an article published in Sobik, P., Grunenberg, J., Böröczky, K., Laatsch, H., Wagner-Döbler, I., Schulz, S. Identification, synthesis, and conformation of tri- and tetrathiacycloalkanes from marine bacteria (2007) Journal of Organic Chemistry, 72 (10), pp. 3776-3782.