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Volumn , Issue 6, 2009, Pages 917-920

Indium trichloride catalyzed one-pot synthesis of new (2-amino-3-cyano- 4h-chromen-4-yl) phosphonic acid diethyl ester

Author keywords

Chromenes; Malononitrile; Salicylaldehyde; Three component; Triethyl phosphite

Indexed keywords

(2 AMINO 3 CYANO 4H CHROMEN 4 YL)PHOSPHONIC ACID DIETHYL ESTER; CHROMENE DERIVATIVE; INDIUM CHLORIDE; MALONONITRILE; SALICYLALDEHYDE; TRIETHYL PHOSPHITE; UNCLASSIFIED DRUG;

EID: 63849254886     PISSN: 09365214     EISSN: 14372096     Source Type: Journal    
DOI: 10.1055/s-0028-1087960     Document Type: Article
Times cited : (56)

References (39)
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    • 63849296440 scopus 로고    scopus 로고
    • 4, and concentrated under vacuum to yield pure product 4a.
    • 4, and concentrated under vacuum to yield pure product 4a.
  • 38
    • 63849340020 scopus 로고    scopus 로고
    • 2-Amino-3-cyano-4H-chromen-4-yl) Phosphonic Acid Diethyl Ester (4a, Table 1, Entry 1) White solid; mp 140-142 °C. IR (KBr, v max, 3349, 3167, 2189, 1648, 1422, 1233, 1030 cm-1. 1H NMR (500 MHz, DMSO-d6, δ, 1.09 (t, 3 H, J, 6.9 Hz, 1.14 (t, 3 H, J, 6.85 Hz, 3.87 (m, 4 H, 4.04 (d, 1 H, 2JPH, 17.6 Hz, 6.97 (d, 1 H, J, 8.4 Hz, 7.10 (t, 1 H, J, 6.85 Hz, 7.14 (br s, 2 H, NH2, D 2O exchangeable, 7.22 (m, 2 H, 13C NMR (75 MHz, DMSO-d6, δ, 16.1, 16.2, 34.5 (d, 1 Jcp, 144.0 Hz, 47.3 (d, 2JCP, 7.5 Hz, 62.1 (d, 2JCP, 7.5 Hz, 62.2 (d, 2JCP, 6.75 Hz, 115.9, 117.7, 120.1, 124.2, 128.8, 129.4, 149.9, 162.6.31P NMR 202.5 MHz, DMSO-d6, δ
    • 4P: C, 43.43; H, 4.17; N, 7.24. Found: C, 43.38; H, 4.11; N, 7.20.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.