Reactive labelling compounds and uses thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07D-311/02
G01N-033/58
C07F-005/02
C07K-007/08
G01N-021/64
C07D-309/14
출원번호
US-0666242
(2017-08-01)
등록번호
US-10119972
(2018-11-06)
발명자
/ 주소
Wong, Chi-Huey
Fang, Jim-Min
Shie, Jiun-Jie
출원인 / 주소
ACADEMIA SINICA
대리인 / 주소
Duane Morris LLP
인용정보
피인용 횟수 :
0인용 특허 :
194
초록▼
Provided are azido-BODIPY compounds of formula (I), cyclooctyne-based fluorogenic probes of formula (IV), and activity-based probes of formula (VI). These compounds undergo azide-alkyne cycloadditions (AAC) with to form triazolyl products. The provided compounds are useful for detection and imaging
Provided are azido-BODIPY compounds of formula (I), cyclooctyne-based fluorogenic probes of formula (IV), and activity-based probes of formula (VI). These compounds undergo azide-alkyne cycloadditions (AAC) with to form triazolyl products. The provided compounds are useful for detection and imaging of alkyne-, or azide-containing molecules. Methods for detection and imaging biomolecules using compounds of the present disclosure are disclosed.
대표청구항▼
1. A compound of formula (V) or (VI): wherein L is selected from the group consisting of umbelliferyl, coumarin oxide, triflate, mesylate, tosylate, alkoxy, phenoxy, benzoate, pentafluorophenoxy, or 4-nitrophenoxy. 2. The compound of claim 1, wherein L is umbelliferyl. 3. The compound of claim 2, wh
1. A compound of formula (V) or (VI): wherein L is selected from the group consisting of umbelliferyl, coumarin oxide, triflate, mesylate, tosylate, alkoxy, phenoxy, benzoate, pentafluorophenoxy, or 4-nitrophenoxy. 2. The compound of claim 1, wherein L is umbelliferyl. 3. The compound of claim 2, wherein the compound is compound 601: 4. A method for imaging the active site of a sialidase enzyme comprising: (a) contacting a compound of claim 1 with a sample suspected of comprising the sialidase enzyme under conditions for ligation of the compound to an active site of the sialidase enzyme to form a covalent bond product,(b) contacting the covalent bond product with an azide-containing fluorogenic probe of formula (I) to form a fluorogenic triazole product,(c) measuring a fluorescent signal released from the triazole product;wherein the azide-containing fluorogenic probe of formula (I) has the formula: wherein each instance of G1, G2, G3, G5, G6, G7 and G8 is independently hydrogen, optionally substituted C1-6alkyl, optionally substituted C1-6alkenyl, optionally substituted C1-6alkynyl, optionally substituted aryl, optionally substituted acyl, —ORA, —CH2ORA, —OC(O)RA, —SRA, —N(RB)2, —N(RA)C(O)RA, —C(O)N(RB)2, —CN, —NO2, —C(O)RA, —C(O)ORA, —S(O)RA, —SO2RA, —SO3RA, —SO2N(RB)2, and —NHSO2RB;each RA is independently selected from hydrogen, optionally substituted C1-C6alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted heterocyclyl, and optionally substituted aryl;each RB is independently selected from hydrogen, optionally substituted C1-C6alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted heterocyclyl, and optionally substituted aryl, or two RB taken together with the intervening nitrogen form a heterocycle;each instance of G4a and G4b is fluoro, alkyl, alkoxy, aryloxy, or alkynyl,wherein alkyl and alkoxy groups are unbranched, saturated, and have 1-4 carbon atoms; aryl groups and aryl groups of aryloxy can be either carbocyclic aryl or heterocyclic aryl; carbocyclic aryl groups have a total of 6-20 carbon atoms, including carbon atoms of substituents; heterocyclic aryl groups have a total of 5-20 carbon atoms, including carbon atoms of substituents; carboalkoxy groups are alkyl esters of a carboxylic acid wherein alkyl groups are as defined above; each alkyl, aryl, alkoxy, aryloxy, benzo, and carboalkoxy, independently, may be unsubstituted or substituted with one or more substituent; alkyl substituents are halo, hydroxyl, amino, or aryl; aryl substituents are halo, hydroxyl, amino, alkyl, aryl, nitro, or carboxyl; and halo substituents are fluoro or chloro; andn is 0, 1, 2, 3, or 4. 5. A method for detecting the active site of a sialidase enzyme in a sample, comprising: (a) contacting the compound of claim 1, wherein L is coumarin oxide, with a sample suspected of having an sialidase enzyme molecule to release coumarin;(b) measuring the level of a fluorescent signal released from the released coumarin in the sample mixture, and(c) determining the presence of the sialidase enzyme molecule in the sample, wherein an enhanced fluorescent signal as compared to a level of the fluorescent signal in the absence of said compound indicates presence of the azide-containing molecule. 6. A method for detecting the active site of a sialidase enzyme in a sample, comprising: (a) contacting the compound of claim 2 with a sample suspected of having an sialidase enzyme molecule to release an umbelliferyl moiety;(b) measuring the level of a fluorescent signal released from the released umbelliferyl moiety in the sample mixture, and(c) determining the presence of the sialidase enzyme molecule in the sample, wherein an enhanced fluorescent signal as compared to a level of the fluorescent signal in the absence of said compound indicates presence of the azide-containing molecule. 7. A method for detecting the active site of a sialidase enzyme in a sample, comprising: (a) contacting the compound of claim 3 with a sample suspected of having an sialidase enzyme molecule to release coumarin;(b) measuring the level of a fluorescent signal released from the released coumarin in the sample mixture, and(c) determining the presence of the sialidase enzyme molecule in the sample, wherein an enhanced fluorescent signal as compared to a level of the fluorescent signal in the absence of said compound indicates presence of the azide-containing molecule.
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