US 12,441,749 B2
Cyclic germanium compounds and applications thereof
Janet Braddock-Wilking, St. Louis, MO (US); Teresa Lynn Bandrowsky, St. Peters, MO (US); and James Bryan Carroll, II, St. Louis, MO (US)
Assigned to The Curators of the University of Missouri, Columbia, MO (US)
Filed by The Curators Of The University Of Missouri, Columbia, MO (US)
Filed on May 3, 2022, as Appl. No. 17/661,769.
Application 17/661,769 is a division of application No. 16/369,752, filed on Mar. 29, 2019, granted, now 11,352,379.
Application 16/369,752 is a division of application No. 14/406,777, granted, now 10,294,252, issued on May 21, 2019, previously published as PCT/US2013/045201, filed on Jun. 11, 2013.
Claims priority of provisional application 61/690,456, filed on Jun. 26, 2012.
Claims priority of provisional application 61/689,723, filed on Jun. 11, 2012.
Prior Publication US 2022/0267358 A1, Aug. 25, 2022
Int. Cl. C07F 7/00 (2006.01); C07F 7/30 (2006.01); C09K 11/06 (2006.01); G01N 30/90 (2006.01)
CPC C07F 7/30 (2013.01) [C09K 11/06 (2013.01); G01N 30/90 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1051 (2013.01); C09K 2211/1092 (2013.01); C09K 2211/1096 (2013.01); Y10T 436/202499 (2015.01)] 4 Claims
OG exemplary drawing
 
1. A compound having the formula (II)

OG Complex Work Unit Chemistry
wherein R1 and R2 may be independently selected from the group consisting of aryl, alkyl, halide, alkynyl, and asymmetric derivatives thereof with two different groups at the Ge-center;
wherein R3 and R6 may be independently selected from the group consisting of Y and

OG Complex Work Unit Chemistry
wherein R4 and R5 may be independently selected from the group consisting of OCH3;

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and Y; and
wherein Y is H,

OG Complex Work Unit Chemistry

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wherein Z is F, CH3, or OCH3;

OG Complex Work Unit Chemistry
wherein X is H, CF3, OPh, CH3, Ph, OCH3 or OCF3; or

OG Complex Work Unit Chemistry
wherein R is aryl, alkenyl or alkynyl;
wherein at least one of R3, R4, R5, and R6 is not H;
with the proviso that R4 and R5 are each phenyl or R3 and R6 are each

OG Complex Work Unit Chemistry
wherein Y is

OG Complex Work Unit Chemistry
wherein X is H, CF3, OPh, CH3, Ph, OCH3, or OCF3.