Patent US5237101A successfully refreshed from Google Patents.
← Back to Patent Explorer
US5237101A Expired / Lapsed US ⏱️ 0.0 years remaining

Propargylic and allenic sulfones

Assignee: TRUSTEES OF UNIVERSITY OF PENNSYLVANIA A NON PROFIT CORP OF
•
Filing: 1990-01-26
•
Granted: 1993-08-17
•
Expires: 2010-01-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Propargylic and allenic sulfones are disclosed having the ability to selectively cleave nucleic acids, especially deoxyribonucleic acid. Such compositions are capable of being synthetically modified to effect cleavage at selected, sequenced sites on nucleic acids.

Inventors

  • 👤 K. C. Nicolaou
  • 👤 Guido Zaccarello
  • 👤 Golfo Skokotas
  • 👤 Peter Maligres

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 10:35
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/16; C07C317/22; C07C317/18; C07D; C07D337/00

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 124 words
A chemical compound having the structure: ##STR8## wherein R 1 , R 2 , and R 3 are independently hydrogen, hydroxyl, alkyl moieties having from about 1 to about 10 carbon atoms, and aryl moieties having 11 to about 18 carbon atoms, CH 2 OC(O)Ch 3 , C(O)NHR 8 , (CH 2 n OH, (CH 2 n O-saccharides, (CH 2 ) n O-DNA intercalators, (CH 2 ) n O-DNA minor groove binders, (CH 2 ) n )O-DNA binding proteins, (CH 2 ) n O-DNA fragments, (CH 2 ) n )O-RNA fragments, or (CH 2 ) n O-antibodies, R 8 is selected from the group consisting of saccharides, DNA intercalators, DNA minor groove binders, DNA binding proteins, DNA fragments, RNA fragments, or antibodies and n=1-10.
Claim 2
Dependent Claim 124 words
A chemical compound having the structure: ##STR8## wherein R 1 , R 2 , and R 3 are independently hydrogen, hydroxyl, alkyl moieties having from about 1 to about 10 carbon atoms, and aryl moieties having 11 to about 18 carbon atoms, CH 2 OC(O)Ch 3 , C(O)NHR 8 , (CH 2 n OH, (CH 2 n O-saccharides, (CH 2 ) n O-DNA intercalators, (CH 2 ) n O-DNA minor groove binders, (CH 2 ) n )O-DNA binding proteins, (CH 2 ) n O-DNA fragments, (CH 2 ) n )O-RNA fragments, or (CH 2 ) n O-antibodies, R 8 is selected from the group consisting of saccharides, DNA intercalators, DNA minor groove binders, DNA binding proteins, DNA fragments, RNA fragments, or antibodies and n=1-10.
Claim 3
Dependent Claim 22 words
The chemical compound of claim 1 wherein R 1 is anthryl, R 2 is CH 2 OH and R 3 is hydrogen.
Claim 4
Dependent Claim 17 words
The compound of claim 1 wherein R 1 , R 2 , or R 3 is hydrogen.
Claim 5
Dependent Claim 17 words
The compound of claim 1 wherein R 1 , R 2 , or R 3 is hydroxyl.
Claim 6
Dependent Claim 27 words
The compound of claim 1 wherein R 1 , R 2 , or R 3 is an alkyl moiety having from 1 to about 10 carbon atoms.
Claim 7
Dependent Claim 26 words
The compound of claim 1 wherein R 1 , R 2 , or R 3 is an aryl moiety having 11 to about 18 carbon atoms.
Claim 8
Dependent Claim 21 words
The compound of calim 1 wherein R 1 , R 2 , or R 3 is CH 2 OC(O)CH 3 .
Claim 9
Dependent Claim 21 words
The compound of calim 1 wherein R 1 , R 2 , or R 3 is CH 2 OC(O)CH 3 .
Claim 10
Dependent Claim 18 words
The compound of claim 1 wherein R 1 , R 2 or R 3 is C(O)NHR 8 .
Claim 11
Dependent Claim 21 words
The compound of claim 1 wherein R 1 , R 2 , or R 3 is (CH 2 ) n OH.
Claim 12
Dependent Claim 21 words
The compound of claim 1 wherein R 1 , R 2 , or R 3 is (CH 2 ) n O-saccharide.
Claim 13
Dependent Claim 22 words
The compound of claim 1 wherein R 1 , R 2 , or R 3 is (CH 2 ) n O-DNA intercalator.
Claim 14
Dependent Claim 24 words
The compound of claim 1 wherein R 1 , R 2 , or R 3 is (CH 2 ) n O-DNA minor groove binder.
Claim 15
Dependent Claim 23 words
The compound of claim 1 wherein R 1 , R 2 , or R 3 is (CH 2 ) n O-DNA binding protein.
Claim 16
Dependent Claim 29 words
The compound of claim 1 wherein R 1 , R 2 , or R 3 is (CH 2 ) n O-DNA fragment or (CH 2 ) n O-RNA fragment.
Claim 17
Dependent Claim 21 words
The compound of claim 1 wherein R 1 , R 2 , or R 3 is (CH 2 ) n O-antibody.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-08-16 1997-02-15 1997-08-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-08-16 2001-02-15 2001-08-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-08-16 2005-02-15 2005-08-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag