Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus esters
Reexamination Certificate
2008-07-15
2008-07-15
Shiao, Rei-tsang (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus esters
C558S134000, C502S162000
Reexamination Certificate
active
07399876
ABSTRACT:
Process for preparing an alkenylphosphonic acid derivative by reacting a phosphonic acid derivative with an alkyne in the presence of a catalyst complex system, wherein the catalyst complex system comprises(a) nickel,(b) a phosphine having at least two trivalent phosphorus atoms and in addition(c) a phosphine having one trivalent phosphorus atom.
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JACS Communications, Han et al., 2004, 126,5080-5081.
Arndt Jan-Dirk
Henkelmann Jochem
Kessinger Roland
Thomas Florian
BASF - Aktiengesellschaft
Novak Druce & Quigg LLP
Shiao Rei-tsang
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