Detail of "632-83-7"
- CAS Number:
- 632-83-7
- Name:
9,10-Anthracenedione,1-bromo-
- Molecular Structure:
- Formula:
- C14H7 Br O2
- Molecular Weight:
- 287.11
- Synonyms:
- Anthraquinone,1-bromo- (6CI,7CI,8CI); 1-Bromo-9,10-anthraquinone; 1-Bromoanthraquinone
- Melting Point:
- 191 °C
9,10-Anthracenedione,1-bromo-
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Reference
- Nucleophilic substitution of haloanthraquinones carried out in organic solvents
- Nucleophilic substitution of haloanthraquinones carried out in organic solvents. Adamek, Milan; Zamykal, Jaroslav; Vetesnik, Pavel (Vys. Sko. Chemickotechnol., Pardubice, Czech.). Sb. Ved. Pr. 109-73-9 and 78-81-9 which are cas registry numbers are also used here., Vys. Sk. Chemickotechnol. Pardubice, 45, 305-20 (Czech) 1982. CODEN: SVPVA9. ISSN: 0553-2124. DOCUMENT TYPE: Journal CA Section: 41 (Dyes, Organic Pigments, Fluorescent Brighteners, and Photographic Sensitizers) Section cross-reference(s): 22 Kinetic data are given for nucleophilic substitution of 1-chloro- (I) [82-44-0] and 2-chloroanthraquinone [131-09-9] with BuNH2 [109-73-9], of I, 1-fluoro- (II) [569-06-2], 1-bromo- [632-83-7], and 1-iodoanthraquinone [3485-80-1] with cyclohexylamine [108-91-8], and of I and II with PrNH2 [107-10-8], iso-PrNH2 [75-31-0], BuNH2, and iso-BuNH2 [78-81-9]. The effect of aprotic solvents of different polarity on the reaction course was detd. .
- Purification of crude monochloro- and monobromoanthraquinone
- Purification of crude monochloro- and monobromoanthraquinone. Somlo, Tibor; Regli, Johann (Ciba-Geigy A.-G. , Switz.). Eur. Pat. Appl. EP 110369 A1 13 Jun 1984, 10 pp. DESIGNATED STATES: R: CH, DE, FR, GB, LI. (German). (European Patent Organization). CODEN: EPXXDW. CLASS: IC: C07C050-24; C07C046-10. APPLICATION: EP 83-111908 28 Nov 1983. PRIORITY: CH 82-6922 29 Nov 1982. DOCUMENT TYPE: Patent CA Section: 41 (Dyes, Organic Pigments, Fluorescent Brighteners, and Photographic Sensitizers) Section cross-reference(s): 25 Crude 1-chloroanthraquinone (I) [82-44-0] or 1-bromoanthraquinone (II) [632-83-7] is mixed with a hot apolar aliph. solvent, e.g. an isoparaffin mixt., in a proportion such that more than half dissolves to form a soln. which is then sepd. from the remainder, contg. the impurities and forming a eutectic melt as a lower phase, and cooled to ppt. cryst. I or II of 95-99% purity.