Process for producing tungsten clusters

Details Process for producing tungsten clusters Process for producing tungsten clusters

1995-07-20

1997-02-11

Nazario-Gonzalez, Porfirio

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

Organic compounds

Heavy metal containing

C07F 1100

Patent

active

056022689

ABSTRACT:
The present invention provides a process for producing compounds of the general formula: ##STR1## wherein R.sup.1 is --C.sub.k H.sub.l Z.sub.m or --(C.sub.k H.sub.l Z.sub.n)(C.sub.6 H.sub.(5-q) Z.sub.q).sub.p ; R.sup.2 is --C.sub.k H.sub.l Z.sub.m or --(C.sub.k H.sub.l Z.sub.n)(C.sub.6 H.sub.(5-q) Z.sub.q).sub.p ; R.sup.3 is --C.sub.k H.sub.l Z.sub.m or --(C.sub.k H.sub.l Z.sub.n)(C.sub.6 H.sub.(5-q) Z.sub.q).sub.p ; R.sup.4 is --(C.sub.k H.sub.l Z.sub.m) or --(C.sub.k H.sub.l Z.sub.n)(C.sub.6 H.sub.(5-q) Z.sub.q).sub.p ; R.sup.5 is --C.sub.k H.sub.l Z.sub.m or --(C.sub.k H.sub.l Z.sub.n)(C.sub.6 H.sub.(5-q) Z.sub.q).sub.p ; R.sup.6 is --C.sub.k H.sub.l Z.sub.m or --(C.sub.k H.sub.l Z.sub.n)(C.sub.6 H.sub.(5-q) Z.sub.q).sub.p ; Z is a functional group attachable on aliphatic chains or aromatic rings; R.sup.7 is an anionic molecule, neutral molecule, --C.sub.k H.sub.l Z.sub.m or --(C.sub.k H.sub.l Z.sub.n)(C.sub.6 H.sub.(5-q) Z.sub.q).sub.p ; R.sup.8 is an anionic molecule, neutral molecule, --C.sub.k H.sub.l Z.sub.m or --(C.sub.k H.sub.l Z.sub.n)(C.sub.6 H.sub.(5-q) Z.sub.q).sub.p ; R.sup.9 is an anionic molecule, neutral molecule, --C.sub.k H.sub.l Z.sub.m or --(C.sub.k H.sub.l Z.sub.n)(C.sub.6 H.sub.(5-q) Z.sub.q).sub.p ; k is about 0-20; l is about 0-50; m is about 1-50; n is about 0-50; p is about 1-10; q is about 1 5; M is a counter positive or negative ion; and a is about -6-+6. W in the structure is the generally accepted one letter symbol for tungsten.

REFERENCES:
Powell et al., Inorg. Chem., vol. 32, No. 19, pp. 4021-4029 (1993).

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