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US4898951A Expired / Lapsed US ⏱️ 0.0 years remaining

Compounds used as intermediates in the preparations of non-radioactive biological probes

Assignee: Bresatac Ltd
•
Filing: 1988-05-04
•
Granted: 1990-02-06
•
Expires: 2008-05-04
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Abstract

Abstract ##STR1## wherein R 1 to R 4 , which may be the same or different, are selected from the group consisting of H, alkyl of 1 to 5 carbon atoms, NO 2 , halogen, --COOH, or --NH 2 ; wherein R 5 , R 6 , R 7 , R 8 which may be the same or different are selected from the group consisting of H, alkyl of 1 to 5 carbon atoms and halogen; wherein n is an integer of 0 to 5 m is an integer of 1 to 10 p is an integer of 0 to 1 a is an integer of 0 to 1 b is an integer of 1 to 10, wherein if a is 1 then b is 1, and wherein the moiety ##STR2## includes at least 5 carbon atoms and wherein D is selected from the group consisting of ##STR3## The compounds may be used as intermediates in the preparation of non-radioactive biological probes.

Inventors

  • 👤 Robert H. Symons

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:49
CPC Classifications
C; C07; C07D; C07D495/00; C07D495/02; C07D495/04; C07C; C07C247/00; C12; C12Q; C12Q1/00; C12Q1/68; C12Q1/6813; C12Q1/6816; G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/531; G01N33/532

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 153 words
A compound of the Formula I ##STR26## wherein R 1 to R 4 , which may be the same or different, are selected from the group consisting of H, alkyl of 1 to 5 carbon atoms, NO 2 , halogen, --COOH, and --NH 2 ; wherein R 5 , R 6 , R 7 , R 8 which may be the same or different are selected from the group consisting of H, alkyl of 1 to 5 carbon atoms and halogen; wherein n is an integer of 0 to 5 m is an integer of 1 to 10 p is an integer of 0 to 1 a is an integer of 0 to 1 b is an integer of 1 to 10 wherein if a is 1 then b is 1, and wherein the moiety ##STR27## includes at least 5 carbon atoms and wherein D is selected from the group consisting of ##STR28##
Claim 2
Dependent Claim 153 words
A compound of the Formula I ##STR26## wherein R 1 to R 4 , which may be the same or different, are selected from the group consisting of H, alkyl of 1 to 5 carbon atoms, NO 2 , halogen, --COOH, and --NH 2 ; wherein R 5 , R 6 , R 7 , R 8 which may be the same or different are selected from the group consisting of H, alkyl of 1 to 5 carbon atoms and halogen; wherein n is an integer of 0 to 5 m is an integer of 1 to 10 p is an integer of 0 to 1 a is an integer of 0 to 1 b is an integer of 1 to 10 wherein if a is 1 then b is 1, and wherein the moiety ##STR27## includes at least 5 carbon atoms and wherein D is selected from the group consisting of ##STR28##
Claim 3
Dependent Claim 10 words
A compound according to claim 1 wherein D is ##STR29##
Claim 4
Dependent Claim 16 words
A compound according to claim 1 wherein each of R 1 to R 4 is hydrogen.
Claim 5
Dependent Claim 24 words
A compound according to claim 1 wherein R 1 , R 2 and R 4 are hydrogen and R 3 is --NO 2 .
Claim 6
Dependent Claim 21 words
A compound according to claim 3 wherein the group ##STR30## in Formula I is selected from the group consisting of: ##STR31##
Claim 7
Dependent Claim 21 words
A compound according to claim 4 wherein the group ##STR32## in Formula I is selected from the group consisting of ##STR33##
Claim 8
Dependent Claim 145 words
A compound of the Formula I ##STR34## wherein R 1 to R 4 , which may be the same or different, are selected from the group consisting of H, alkyl of 1 to 5 carbon atoms, NO 2 , halogen, --COOH, and --NH 2 ; wherein R 5 , R 6 , R 7 , R 8 which may be the same or different are selected from the group consisting of H, alkyl of 1 to 5 carbon atoms and halogen wherein n is an integer of 0 to 5 m is an integer of 1 to 10 is an integer of 0 to 1 a is an integer of 0 to 1 b is an integer of 1 to 10, wherein if a is 1 then b is 1, and wherein the moiety ##STR35## includes at least 5 carbon atoms; and D is ##STR36##
Claim 9
Dependent Claim 145 words
A compound of the Formula I ##STR34## wherein R 1 to R 4 , which may be the same or different, are selected from the group consisting of H, alkyl of 1 to 5 carbon atoms, NO 2 , halogen, --COOH, and --NH 2 ; wherein R 5 , R 6 , R 7 , R 8 which may be the same or different are selected from the group consisting of H, alkyl of 1 to 5 carbon atoms and halogen wherein n is an integer of 0 to 5 m is an integer of 1 to 10 is an integer of 0 to 1 a is an integer of 0 to 1 b is an integer of 1 to 10, wherein if a is 1 then b is 1, and wherein the moiety ##STR35## includes at least 5 carbon atoms; and D is ##STR36##
Claim 10
Dependent Claim 9 words
A compound selected from the group consisting of ##STR37##
Claim 11
Dependent Claim 9 words
A compound selected from the group consisting of ##STR37##

References Cited (Backward Citations)

US4282287A Cited
WO1983002277A1 Cited
US4487838A Cited
EP0119448A1 Cited
WO1984003285A1 Cited
EP0127438B1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-02-05 1993-08-07 1994-02-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-02-05 1997-08-07 1998-02-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-02-05 2001-08-07 2002-02-06 $7700.00 Window Closed / Lapsed

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