Modified Friedel-Crafts Preparation of 2,2,4,4-Tetrachloro-6,6-diphenylcyclotriphosphazatriene
β Scribed by McBee, E. T.; Okuhara, K.; Morton, C. J.
- Book ID
- 127252273
- Publisher
- American Chemical Society
- Year
- 1965
- Tongue
- English
- Weight
- 270 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0020-1669
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π SIMILAR VOLUMES
The title compound, C 18 H 16 Cl 4 N 2 O 2 , was synthesized by the reaction of 1-(3,5-dichloro-2-hydroxyphenyl)propan-1-one with hydrazine hydrate. The molecule has a centre of symmetry at the mid-point of the N-N bond. The crystal structure is stabilized by intramolecular O-HΓ Γ ΓN and intermolecu
Halogen-metal exchange with n-BuLi; systems, e.g. Sulphur-c\_ontaining polychloroheterocyclic 4,6,7-trichloro-3-methylthienob,2\_dpyridine G. He inrich u. H. Hoffmeister, I. tied. Univ.-Klinik, Hamburg. Polypodium B, ein Steroid nit Insektenhtiutungshormon-Eigenschaften, isolierten JIZBA u. Mitarb.
In connection with other work it became necessary for us to prepare 2,3,6-trichloro-4-β’ercaptopyridine (II). A sulphur atom in organosulphur compounds, such as thiophens (1) and benzo[&]thiophens (2), is known to be capable of complexing with n-butyl-lithium, and it seemed, therefore, ihat reaction