Organometallic monoacylalkylphosphines

Details Organometallic monoacylalkylphosphines Organometallic monoacylalkylphosphines

2006-04-11

2006-04-11

Berman, Susan (Department: 1711)

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

C522S018000, C522S064000, C522S081000, C522S182000, C568S014000, C568S015000, C568S017000

Reexamination Certificate

active

07026017

ABSTRACT:
Compounds of the formula Iin whichAr is a groupor unsubstituted or substituted cyclopentyl, cyclohexyl, naphthyl, biphenylyl or an O-, S- or N-containing 5- or 6-membered heterocyclic ring; R1and R2are C1-C20alkyl, OR11, CF3or halogen; R3, R4and R5are hydrogen, C1-C20alkyl, OR11or halogen; R6is unsubstituted or substituted C1-C24alkyl, C2-C24alkyl, which is interrupted by O, S or NR14and is unsubstituted or substituted; C2-C24alkenyl, uninterrupted or interrupted by O, S or NR14and unsubstituted or substituted; unsubstituted or substituted C7-C24arylalkyl; C4-C24cycloalkyl, uninterrupted or interrupted by O, S and/or NR14; or C8-C24arylcycloalkyl; R11is C1-C20alkyl, C3-C8cycloalkyl, phenyl, benzyl or C2-C20alkyl, interrupted by O or S and unsubstituted or substituted; R12and R13are hydrogen, C1-C20alkyl, C3-C8cycloalkyl, phenyl, benzyl or C2-C20alkyl, interrupted by O atoms and unsubstituted or substituted; or R12and R13together are C3-C5alkylene, uninterrupted or interrupted by O, S or NR14; R14is hydrogen, phenyl, C1-C12alkyl or C2-C12alkyl, interrupted by O or S and unsubstituted or substituted; and M is hydrogen, Li, Na or K; are valuable intermediates for the preparation of unsymmetrical bisacylphosphine oxides and monoacylphosphine oxides.

REFERENCES:
patent: 4522693 (1985-06-01), Henne et al.
patent: 4737593 (1988-04-01), Ellrich et al.
patent: 5218009 (1993-06-01), Rutsch et al.
patent: 5368985 (1994-11-01), Rutsch et al.
patent: 5399770 (1995-03-01), Leppard et al.
patent: 5534559 (1996-07-01), Leppard et al.
patent: 5721292 (1998-02-01), Leppard et al.
patent: 5942290 (1999-08-01), Leppard et al.
patent: 6020528 (2000-02-01), Leppard et al.
patent: 6284813 (2001-09-01), Leppard et al.
patent: 6399805 (2002-06-01), Wolf et al.
patent: 6579663 (2003-06-01), Wolf et al.
patent: 6737549 (2004-05-01), Wolf et al.
patent: 2001/0031898 (2001-10-01), Wolf et al.
patent: 3139984 (1983-04-01), None
patent: 19907957 (1999-09-01), None
patent: 0040721 (1981-12-01), None
patent: 0495751 (1992-07-01), None
patent: 0501702 (1992-09-01), None
patent: 0738928 (1996-10-01), None
patent: 1106627 (2001-06-01), None
patent: 2059261 (1994-11-01), None
patent: 2259704 (1993-03-01), None
patent: 00/32612 (2000-06-01), None
Derwent Abstr. 91349 D/50 for EP 0040721 (1981).
Chem. Abstr. 125:99768 for J. Am. Chem. Soc. (1996), 118(27), pp. 6477-6489.
Derwent Abstr. 1994-351097 [51] for ES 2059261 (1994).
Derwent Abstr. 92-243582/30 for EP 2495751 (1992).
Derwent Abstr. 91349 D/50 for EP 0040721 (1981).
C. Liotta et al., Tetrahedron Letters, vol. 25, No. 12, pp. 1249-1252, (1984).
Chem. Abstr. 125:99768 for J. Am. Chem. Soc. (1996), 118(27), pp. 6477-6489.
Derwent Abstr. 1994-351097 [51] for ES 2059261 (1994).
Derwent Abstr. 92-243582/30 for EP 0495751 (1992).

Affiliated with

Also associated with

Rating

Organometallic monoacylalkylphosphines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Organometallic monoacylalkylphosphines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Organometallic monoacylalkylphosphines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3538549