Method for producing 6-alkoxy-(6H)-dibenz [c,e]...

Details Method for producing 6-alkoxy-(6H)-dibenz [c,e]... Method for producing 6-alkoxy-(6H)-dibenz [c,e]...

2006-10-03

2006-10-03

Richter, Johann (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus esters

Reexamination Certificate

active

07115765

ABSTRACT:
The present invention relates to a process for preparing 6-alkoxy-(6H)-dibenzo[c,e][1,2]oxaphosphorins, wherein 6H-dibenzo[c,e][1,2]oxaphosphorin 6-oxides of the formula Iare used as the reactant.

REFERENCES:
patent: 0304782 (1989-03-01), None
patent: 0787738 (1997-08-01), None
Qureshi et al., Synthesis and Characterization of Novel 6-Substituted 4-phenyl-6H-dibenz [c,e][1,2] oxaphosphorins, Journal of Chemical Research, 1998, 355.
Qureshi et al., Synthesis and Characterization of Novel 6-Substituted 4-phenyl-6H-dibenz [c,e][1,2] oxaphosphorins, SYNOPSES, 1998, (7), 1601-1615.
Chernyshev E A et al: “Organophosphorous Heterocyclic Compounds,” Journal of General, New York, US, BD. 42, No. 1,Part 1, 1972, pp. 88-90.

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