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tert-Butyl piperazine-1-carboxylate → N-[4-Chloro-2(pyridine-4-carbonyl)-phenyl]-4-piperazin-1-yl-benzenesulfonamide

HRID 29535
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HRID 29535 반응식
Br[C:2]1[CH:7]=[CH:6][C:5]([S:8]([NH:11][C:12]2[CH:17]=[CH:16][C:15]([Cl:18])=[CH:14][C:13]=2[C:19]([C:21]2[CH:26]=[CH:25][N:24]=[CH:23][CH:22]=2)=[O:20])(=[O:10])=[O:9])=[CH:4][CH:3]=1.O.[O-]P([O-])([O-])=O.[K+].[K+].[K+].C1(P(C2C=CC=CC=2)C2C=CC3C(=CC=CC=3)C=2C2C3C(=CC=CC=3)C=CC=2P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C(OC([N:89]1[CH2:94][CH2:93][NH:92][CH2:91][CH2:90]1)=O)(C)(C)C>O1CCOCC1.[Pd]>[Cl:18][C:15]1[CH:16]=[CH:17][C:12]([NH:11][S:8]([C:5]2[CH:6]=[CH:7][C:2]([N:89]3[CH2:94][CH2:93][NH:92][CH2:91][CH2:90]3)=[CH:3][CH:4]=2)(=[O:10])=[O:9])=[C:13]([C:19]([C:21]2[CH:26]=[CH:25][N:24]=[CH:23][CH:22]=2)=[O:20])[CH:14]=1
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참가 물질

7

반응물 4

HCID 143452tert-Butyl piperazine-1-carboxylateHCID 634876Binap, (A+-)-HCID 100725304-Bromo-N-[4-chloro-2-(pyridine-4-carbonyl)-phenyl]-benzenesulfonamideHCID 22031701Potassium phosphate, tribasic, monohydrate

생성물 1

HCID 59788714N-[4-Chloro-2(pyridine-4-carbonyl)-phenyl]-4-piperazin-1-yl-benzenesulfonamide

시약·촉매·용매 2

HCID 23938Palladium촉매HCID 312751,4-Dioxane용매

실험 절차

The title compound was prepared according to the general procedure for the synthesis of heterocyclyl and heteroaryl substituted phenylsulfonyl derivatives previously described, using 4-Bromo-N-[4-chloro-2-(pyridine4-carbonyl)-phenyl]-benzenesulfonamide 0.1 g (0.22 mmol), potassium phosphate tribasic monohydrate 0.30 g (1.2 mmol), rac-2,2′-bis (diphenylphosphino)-1,1′-binaphthyl 0.02 g (0.032 mmol), piperazine-1-carboxylic acid tert-butyl ester 0.18 g (1 mmol) and Pd (II) trifluoroacetate 10 mg (0.01 mmol) in 6 ml dioxane. The compound was then deprotected to yield free amine using dichloromethane (2 mL) with trifluoroacetic acid (3 mL) for 1 hour at room temperature. The crude material was concentrated under vacuo, purified by HPLC, to give yellow solid.

출처 및 근거

ORD 기록
ord-85a9a33361f54f95abd131eceeb5560d
출처 데이터셋
uspto-grants-2008_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07420055B2

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