US4582700A
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Products and processes
Assignee: Mallinckrodt Inc
•
Filing: 1983-09-01
•
Granted: 1986-04-15
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Expires: 2003-09-01
Abstract
Abstract Novel technetium [99m](I) complexes useful as imaging agents.
Inventors
- 👤 Richard T. Dean
- 👤 Fredrick W. Miller
- 👤 Dennis W. Wester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:37
CPC Classifications
A; A61; A61K; A61K51/00; A61K51/02; A61K51/04; A61K51/0474; A61K51/0476; A61K51/0489; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/142; C07F9/28; C07F9/48; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65748; A61K2123/00
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
296 words
A technetium [99m](I) complex selected from the group of complexes having the following formulae: 99m Tc(I)[P(R 1 ,R 2 ,R 3 )] 6 + A - 1 wherein R 1 , R 2 and R 3 are independently selected from the group consisting of lower alkyl, lower alkoxy, and lower alkoxy lower alkyl provided each phosphorous is bonded through at least one oxygen to a carbon; and A - is a non-deleterious, chemically suitable, pharmaceutically acceptable anion; .sup.99m Tc(I)[P(X,R.sup.1)].sub.6.sup.+ A.sup.- 2 wherein X is a bridging substituent selected from the group consisting of lower alkylenedioxy, and lower oxyalkyl; R 1 has the same meaning as set forth above, provided each phosphorous is bonded through at least one oxygen to a carbon, and A - has the same meaning as set forth above; .sup.99m Tc(I)[PY].sub.6.sup.+ A.sup.- 3 wherein Y is a trivalent bridging substituent selected from the group consisting of lower tri(oxyalkylene)alkane, lower oxydialkyl, and lower dioxyalkyl, provided each phosphorous is bonded through at least one oxygen to a carbon; and A - has the same meaning as set forth above; .sup.99m Tc(I)[R.sup.4,R.sup.5 --P--R.sup.6 --P--R.sup.7, R.sup.8 ].sub.3.sup.+ A.sup.- 4 wherein R 4 , R 5 , R 7 and R 8 are independently selected from the group consisting of, lower alkyl, lower alkoxy, and lower alkoxy lower alkyl; R 6 is a linking substituent selected from the group consisting of lower alkylene, oxygen, lower alkylenedioxy and lower oxyalkylene, provided each phosphorous is bonded through at least one oxygen to a carbon; and A - has the same meaning as set forth above; and .sup.99m Tc(I)[X--P--R.sup.6 --P--X].sub.3.sup.+ A.sup.- 5 wherein X, R 6 and A - have the same meaning as set forth above and provided each phosphorous is bonded through at least one oxygen to a carbon.
Claim 2
Dependent Claim
296 words
A technetium [99m](I) complex selected from the group of complexes having the following formulae: 99m Tc(I)[P(R 1 ,R 2 ,R 3 )] 6 + A - 1 wherein R 1 , R 2 and R 3 are independently selected from the group consisting of lower alkyl, lower alkoxy, and lower alkoxy lower alkyl provided each phosphorous is bonded through at least one oxygen to a carbon; and A - is a non-deleterious, chemically suitable, pharmaceutically acceptable anion; .sup.99m Tc(I)[P(X,R.sup.1)].sub.6.sup.+ A.sup.- 2 wherein X is a bridging substituent selected from the group consisting of lower alkylenedioxy, and lower oxyalkyl; R 1 has the same meaning as set forth above, provided each phosphorous is bonded through at least one oxygen to a carbon, and A - has the same meaning as set forth above; .sup.99m Tc(I)[PY].sub.6.sup.+ A.sup.- 3 wherein Y is a trivalent bridging substituent selected from the group consisting of lower tri(oxyalkylene)alkane, lower oxydialkyl, and lower dioxyalkyl, provided each phosphorous is bonded through at least one oxygen to a carbon; and A - has the same meaning as set forth above; .sup.99m Tc(I)[R.sup.4,R.sup.5 --P--R.sup.6 --P--R.sup.7, R.sup.8 ].sub.3.sup.+ A.sup.- 4 wherein R 4 , R 5 , R 7 and R 8 are independently selected from the group consisting of, lower alkyl, lower alkoxy, and lower alkoxy lower alkyl; R 6 is a linking substituent selected from the group consisting of lower alkylene, oxygen, lower alkylenedioxy and lower oxyalkylene, provided each phosphorous is bonded through at least one oxygen to a carbon; and A - has the same meaning as set forth above; and .sup.99m Tc(I)[X--P--R.sup.6 --P--X].sub.3.sup.+ A.sup.- 5 wherein X, R 6 and A - have the same meaning as set forth above and provided each phosphorous is bonded through at least one oxygen to a carbon.
Claim 3
Dependent Claim
19 words
A complex according to claim 1 selected from the group of complexes represented by formula 1 of claim 1.
Claim 4
Dependent Claim
33 words
A complex according to claim 2, wherein the anion is selected from the group consisting of Cl - , H 2 PO 4 - , HPO 4 -2 and PO 4 -3 .
Claim 5
Dependent Claim
19 words
A complex according to claim 3 wherein R 1 and R 2 are methoxy and R 3 is methyl.
Claim 6
Dependent Claim
19 words
A complex according to claim 3 wherein R 1 and R 2 are methyl and R 3 is methoxy.
Claim 7
Dependent Claim
17 words
A complex according to claim 3 wherein R 1 , R 2 and R 3 are ethoxy.
Claim 8
Dependent Claim
17 words
A complex according to claim 3 wherein R 1 , R 2 and R 3 are methoxy.
Claim 9
Dependent Claim
19 words
A complex according to claim 1 selected from the group of complexes represented by formula 2 of claim 1.
Claim 10
Dependent Claim
19 words
A complex according to claim 1 selected from the group of complexes represented by formula 3 of claim 1.
Claim 11
Dependent Claim
19 words
A complex according to claim 1 selected from the group of complexes represented by formula 4 of claim 1.
Claim 12
Dependent Claim
19 words
A complex according to claim 1 selected from the group of complexes represented by formula 5 of claim 1.
Claim 13
Dependent Claim
304 words
An imaging composition containing a technetium [99m](I) complex selected from the group of complexes having the following formulae: .sup.99m Tc(I)[P(R.sup.1,R.sup.2,R.sup.3)].sub.6.sup.+ A.sup.- 1 wherein R 1 , R 2 and R 3 are independently selected from the group consisting of lower alkyl, lower alkoxy, and lower alkoxy lower alkyl provided each phosphorous is bonded through at least one oxygen to a carbon; and A - is a non-deleterious, chemically suitable, pharmaceutically acceptable anion; .sup.99m Tc(I)[P(X,R.sup.1)].sub.6.sup.+ A.sup.- 2 wherein X is a bridging substituent selected from the group consisting of lower alkylenedioxy, and lower oxyalkyl; R 1 has the same meaning as set forth above, provided each phosphorous is bonded through at least one oxygen to a carbon, and A - has the same meaning as set forth above; .sup.99m Tc(I)[PY].sub.6.sup.+ A.sup.- 3 wherein Y is a trivalent bridging substituent selected from the group consisting of lower tri(oxyalkylene)alkane, lower oxydialkyl, and lower dioxyalkyl, provided each phosphorous is bonded through at least one oxygen to a carbon; and A - has the same meaning as set forth above; .sup.99m Tc(I)[R.sup.4,R.sup.5 --P--R.sup.6 --P--R.sup.7,R.sup.8 ].sub.3.sup.+ A.sup.- 4 wherein R 4 , R 5 , R 7 and R 8 are independently selected from the group consisting of, lower alkyl, lower alkoxy, and lower alkoxy lower alkyl; R 6 is a linking substituent selected from the group consisting of lower aklylene, oxygen, lower alkylenedioxy and lower oxyalkylene, provided each phosphorous is bonded through at least one oxygen to a carbon; and A - has the same meaning as set forth above; and .sup.99m Tc(I)[X--P--R.sup.6 --P--X].sub.3.sup.+ A.sup.- 5 wherein X, R 6 and A - have the same meaning as set forth above and provided each phosphorous is bonded through at least one oxygen to a carbon in a sufficient amount to provide satisfactory imaging together with a pharmaceutically acceptable vehicle.
Claim 14
Dependent Claim
304 words
An imaging composition containing a technetium [99m](I) complex selected from the group of complexes having the following formulae: .sup.99m Tc(I)[P(R.sup.1,R.sup.2,R.sup.3)].sub.6.sup.+ A.sup.- 1 wherein R 1 , R 2 and R 3 are independently selected from the group consisting of lower alkyl, lower alkoxy, and lower alkoxy lower alkyl provided each phosphorous is bonded through at least one oxygen to a carbon; and A - is a non-deleterious, chemically suitable, pharmaceutically acceptable anion; .sup.99m Tc(I)[P(X,R.sup.1)].sub.6.sup.+ A.sup.- 2 wherein X is a bridging substituent selected from the group consisting of lower alkylenedioxy, and lower oxyalkyl; R 1 has the same meaning as set forth above, provided each phosphorous is bonded through at least one oxygen to a carbon, and A - has the same meaning as set forth above; .sup.99m Tc(I)[PY].sub.6.sup.+ A.sup.- 3 wherein Y is a trivalent bridging substituent selected from the group consisting of lower tri(oxyalkylene)alkane, lower oxydialkyl, and lower dioxyalkyl, provided each phosphorous is bonded through at least one oxygen to a carbon; and A - has the same meaning as set forth above; .sup.99m Tc(I)[R.sup.4,R.sup.5 --P--R.sup.6 --P--R.sup.7,R.sup.8 ].sub.3.sup.+ A.sup.- 4 wherein R 4 , R 5 , R 7 and R 8 are independently selected from the group consisting of, lower alkyl, lower alkoxy, and lower alkoxy lower alkyl; R 6 is a linking substituent selected from the group consisting of lower aklylene, oxygen, lower alkylenedioxy and lower oxyalkylene, provided each phosphorous is bonded through at least one oxygen to a carbon; and A - has the same meaning as set forth above; and .sup.99m Tc(I)[X--P--R.sup.6 --P--X].sub.3.sup.+ A.sup.- 5 wherein X, R 6 and A - have the same meaning as set forth above and provided each phosphorous is bonded through at least one oxygen to a carbon in a sufficient amount to provide satisfactory imaging together with a pharmaceutically acceptable vehicle.
Claim 15
Dependent Claim
23 words
A composition according to claim 12 wherein said complex is selected from the group of complexes represented by formula 1 of claim 12.
Claim 16
Dependent Claim
33 words
A composition according to claim 13, wherein the anion is selected from the group consisting of Cl - , H 2 PO 4 - , HPO 4 -2 and PO 4 3 .
Claim 17
Dependent Claim
19 words
A composition according to claim 14 wherein R 1 and R 2 are methoxy and R 3 is methyl.
Claim 18
Dependent Claim
19 words
A composition according to claim 14 wherein R 1 and R 2 are methyl and R 3 is methoxy.
Claim 19
Dependent Claim
17 words
A composition according to claim 14 wherein R 1 , R 2 and R 3 are ethoxy.
Claim 20
Dependent Claim
17 words
A composition according to claim 14 wherein R 1 , R 2 and R 3 are methoxy.
Claim 21
Dependent Claim
18 words
A composition according to claim 12 selected from the group of complexes having formula 2 of claim 12.
Claim 22
Dependent Claim
19 words
A composition according to claim 12 selected from the group of complexes represented by formula 3 of claim 12.
Claim 23
Dependent Claim
19 words
A composition according to claim 12 selected from the group of complexes represented by formula 4 of claim 12.
Claim 24
Dependent Claim
19 words
A composition according to claim 12 selected from the group of complexes represented by formula 5 of claim 12.
Claim 25
Dependent Claim
348 words
In a method for imaging wherein a composition containing a technetium [99m](I) complex in a pharmaceutically acceptable vehicle is injected into a living animal body in a sufficient amount to provide adequate imaging and thereafter imaging carried out, the improvement comprising utilizing as the composition a composition containing a technetium [99m](I) complex selected from the group of complexes having the following formulae: .sup.99m Tc(I)[P(R.sup.1,R.sup.2,R.sup.3)].sub.6.sup.+ A.sup.- 1 wherein R 1 , R 2 and R 3 are independently selected from the group consisting of lower alkyl, lower alkoxy, and lower alkoxy lower alkyl provided each phosphorous is bonded through at least one oxygen to a carbon; and A - is a non-deleterious, chemically suitable, pharmaceutically acceptable anion; .sup.99m Tc(I)[P(X,R.sup.1)].sub.6.sup.+ A.sup.- 2 wherein X is a bridging substituent selected from the group consisting of lower alkylenedioxy, and lower oxyalkyl; R 1 has the same meaning as set forth above, provided each phosphorous is bonded through at least one oxygen to a carbon, and A - has the same meaning a set forth above; .sup.b 99m Tc(I)[PY].sub.6.sup.+ A.sup.- 3 wherein Y is a trivalent bridging substituent selected from the group consisting of lower tri(oxyalkylene)alkane, lower oxydialkyl, and lower dioxyalkyl, provided each phosphorous is bonded through at least one oxygen to a carbon; and A - has the same meaning as set forth above; .sup.99m Tc(I)[R.sup.4,R.sup.5 --P--R.sup.6 --P--R.sup.7,R.sup.8 ].sub.3.sup.+ A.sup.- 4 wherein R 4 ,R 5 ,R 7 and R 8 are independently selected from the group consisting of, lower alkyl, lower alkoxy, and lower alkoxy lower alkyl; R 6 is a linking substituent selected from the group consisting of lower alkylene, oxygen, lower alkylenedioxy and lower oxyalkylene, provided each phosphorous is bonded through at least one oxygen to a carbon; and A - has the same meaning as set forth above; and .sup.99m Tc(I)[X--P--R.sup.6 --P--X].sub.3.sup.+ A.sup.- 5 wherein X, R 6 and A - have the same meaning as set forth above and provided each phosphorous is bonded through at least one oxygen to a carbon in a sufficient amount to provide satisfactory myocardial imaging together with a pharmaceutically acceptable vehicle.
Claim 26
Dependent Claim
348 words
In a method for imaging wherein a composition containing a technetium [99m](I) complex in a pharmaceutically acceptable vehicle is injected into a living animal body in a sufficient amount to provide adequate imaging and thereafter imaging carried out, the improvement comprising utilizing as the composition a composition containing a technetium [99m](I) complex selected from the group of complexes having the following formulae: .sup.99m Tc(I)[P(R.sup.1,R.sup.2,R.sup.3)].sub.6.sup.+ A.sup.- 1 wherein R 1 , R 2 and R 3 are independently selected from the group consisting of lower alkyl, lower alkoxy, and lower alkoxy lower alkyl provided each phosphorous is bonded through at least one oxygen to a carbon; and A - is a non-deleterious, chemically suitable, pharmaceutically acceptable anion; .sup.99m Tc(I)[P(X,R.sup.1)].sub.6.sup.+ A.sup.- 2 wherein X is a bridging substituent selected from the group consisting of lower alkylenedioxy, and lower oxyalkyl; R 1 has the same meaning as set forth above, provided each phosphorous is bonded through at least one oxygen to a carbon, and A - has the same meaning a set forth above; .sup.b 99m Tc(I)[PY].sub.6.sup.+ A.sup.- 3 wherein Y is a trivalent bridging substituent selected from the group consisting of lower tri(oxyalkylene)alkane, lower oxydialkyl, and lower dioxyalkyl, provided each phosphorous is bonded through at least one oxygen to a carbon; and A - has the same meaning as set forth above; .sup.99m Tc(I)[R.sup.4,R.sup.5 --P--R.sup.6 --P--R.sup.7,R.sup.8 ].sub.3.sup.+ A.sup.- 4 wherein R 4 ,R 5 ,R 7 and R 8 are independently selected from the group consisting of, lower alkyl, lower alkoxy, and lower alkoxy lower alkyl; R 6 is a linking substituent selected from the group consisting of lower alkylene, oxygen, lower alkylenedioxy and lower oxyalkylene, provided each phosphorous is bonded through at least one oxygen to a carbon; and A - has the same meaning as set forth above; and .sup.99m Tc(I)[X--P--R.sup.6 --P--X].sub.3.sup.+ A.sup.- 5 wherein X, R 6 and A - have the same meaning as set forth above and provided each phosphorous is bonded through at least one oxygen to a carbon in a sufficient amount to provide satisfactory myocardial imaging together with a pharmaceutically acceptable vehicle.
Claim 27
Dependent Claim
23 words
A method according to claim 23 wherein said complex is selected from the group of complexes represented by formula 1 of claim 23.
Claim 28
Dependent Claim
33 words
A method according to claim 24 wherein the anion is selected from the group consisting of Cl - , H 2 PO 4 - , HPO 4 -2 and PO 4 -3 .
Claim 29
Dependent Claim
19 words
A method according to claim 25 wherein R 1 and R 2 are methoxy and R 3 is methyl.
Claim 30
Dependent Claim
19 words
A method according to claim 25 wherein R 1 and R 2 are methyl and R 3 is methoxy.
Claim 31
Dependent Claim
17 words
A method according to claim 25 wherein R 1 , R 2 and R 3 are ethoxy.
Claim 32
Dependent Claim
17 words
A method according to claim 25 wherein R 1 , R 2 and R 3 are methoxy.
Claim 33
Dependent Claim
19 words
A method according to claim 23 selected from the group of complexes represented by formula 2 of claim 23.
Claim 34
Dependent Claim
19 words
A method according to claim 23 selected from the group of complexes represented by formula 3 of claim 23.
Claim 35
Dependent Claim
19 words
A method according to claim 23 selected from the group of complexes represented by formula 4 of claim 23.
Claim 36
Dependent Claim
19 words
A method according to claim 23 selected from the group of complexes represented by formula 5 of claim 23.
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