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Volumn 77, Issue 1, 2012, Pages 243-252

Regioselective synthesis of 2,8-disubstituted 4-aminopyrido[3,2-d] pyrimidine-6-carboxylic acid methyl ester compounds

Author keywords

[No Author keywords available]

Indexed keywords

CROSS COUPLING REACTIONS; METAL-CATALYZED CROSS-COUPLING REACTIONS; METHYL ESTERS; ORTHOGONALITY; PYRIMIDINE DERIVATIVES; REACTION CONDITIONS; REGIO-SELECTIVE; REGIOSELECTIVE SYNTHESIS; SUZUKI-MIYAURA REACTION; THIOLATES;

EID: 84855547626     PISSN: 00223263     EISSN: 15206904     Source Type: Journal    
DOI: 10.1021/jo201834d     Document Type: Article
Times cited : (14)

References (21)
  • 18
    • 84855530933 scopus 로고    scopus 로고
    • 3 coupling constant of 8.7 Hz. This result proved that 2e is substituted with a chloride at C-8. Additional NMR experiments on 2g did not give us the confirmation that aniline is at position 4, but regioselective C-4 addition was proven for secondary amine addition such as diethyl amine (confirmed by X-ray analysis of 5c and 6c). This result was also in line with the reported regioselective C-4 amination of 2,4-dichloropyrido[3,2- d ]pyrimidine.(6a)
    • 3 coupling constant of 8.7 Hz. This result proved that 2e is substituted with a chloride at C-8. Additional NMR experiments on 2g did not give us the confirmation that aniline is at position 4, but regioselective C-4 addition was proven for secondary amine addition such as diethyl amine (confirmed by X-ray analysis of 5c and 6c). This result was also in line with the reported regioselective C-4 amination of 2,4-dichloropyrido[3,2- d ]pyrimidine.(6a)


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.