Detail of "22749-43-5"

CAS Number:
22749-43-5
Name:
6H-Dibenz[c,e][1,2]oxaphosphorin,6-chloro-
Superlist Name:
6-Chlorobenzo[c][1,2]benzoxaphosphinine
Molecular Structure:
Formula:
C12H8 Cl O P
Molecular Weight:
234.6181
Synonyms:
6-Chloro-6H-dibenz-[c,e][1,2]-oxaphosphorin;6-Chloro-6H-dibenz[c,e][1,2]oxaphosphorin; 6-Chlorodibenz[c,e][1,2]oxaphosphorin
Melting Point:
87ºC
Boiling Point:
374.6 °C at 760 mmHg
Flash Point:
180.3 °C

Display：

C12H8ClOP

620 Integral
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Process for the preparation of 6-oxo-(6h)-dibenz-(c,e)(1,2)-oxaphosphorines: Process for the preparation of 6-oxo-(6h)-dibenz-(c,e)(1,2)-oxaphosphorines. Buysch, Hans-Josef; Glock, Volker (Bayer A.-G., Germany). Eur. Pat. Appl.There are some reagents with their cas registry numbers 22749-43-5 and 35948-25-5 are used in this study. EP 739896 A2 30 Oct 1996, 10 pp. DESIGNATED STATES: R: CH, DE, ES, FR, GB, IT, LI. (German). (European Patent Organization). CODEN: EPXXDW. CLASS: ICM: C07F009-6571. APPLICATION: EP 1996-105670 11 Apr 1996. PRIORITY: DE 1995-19514946 24 Apr 1995. DOCUMENT TYPE: Patent CA Section: 29 (Organometallic and Organometalloidal Compounds) Process for the continuous column prepn. of 6-oxo-(6h)-dibenz-(c,e)(1,2)-oxaphosphorines of formula I, wherein R1-R6 are the same or different and can be H, halogen,, C1-C4 alkyl or C1-C4 alkoxy, consists of the reaction of phenylphenol II with phosphorus trichloride in the presence of Lewis acid at high temp. of 70 to 220° followed by hydrolysis. .