A highly interactive program system for carrying out crystal structure analyses on a dedicated 32-bit computer has been developed, with emphasis on suitability for inexpensive hardware. The system includes a new SHELX-compatible version of ORTEP that can be operated from an interactive graphics terminal by a menu of easily-usable commands.

[reaction: see text] The Sakurai-Hosomi-type allylation of aromatic and heteroaromatic aldehydes can be catalyzed by the new heterobidenate bipyridine monoxide PINDOX with high enantioselectivities. The sterochemical outcome is mainly controlled by the axial chirality in PINDOX, which in turn is determined by the annulated terpene units.

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