Moll, O. P. Y.; Le Borgne, T.; Thuery, P.; Ephritikhine, M. published the article 《Synthesis and X-ray crystal structure of spiro[3.3]heptane-2,6-dispirofluorene》. Keywords: crystal structure spiroheptanedispirofluorene; mol structure spiroheptanedispirofluorene; spiroheptanedispirofluorene preparation crystal structure.They researched the compound: Pentaerythrityltetrabromide( cas:3229-00-3 ).Product Details of 3229-00-3. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:3229-00-3) here.
Reaction of pentaerythrityl tetrabromide with fluorenyl potassium gave the title compound in 53% yield. The crystal structure revealed that in this unique trispiro[4.1.1.4.1.1]pentadecatetraene derivative, the adjacent rings are planar and orthogonal.
This compound(Pentaerythrityltetrabromide)Product Details of 3229-00-3 was discussed at the molecular level, the effects of temperature and reaction time on the properties of the compound were discussed, and the optimum reaction conditions were selected.
Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem