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Volumn 37, Issue 35, 1996, Pages 6413-6416

A microwave synthesis of the cis and trans isomers of 3-hydroxy-2-(4-methoxyphenyl)-2,3-dihydro-1,5-benzothiazepin-4(5H)-one : The influence of solvent and power output on the diastereoselectivity

Author keywords

[No Author keywords available]

Indexed keywords

BENZOTHIAZEPINE DERIVATIVE; DILTIAZEM;

EID: 0030603056     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4039(96)01361-5     Document Type: Article
Times cited : (28)

References (31)
  • 3
    • 85021499904 scopus 로고
    • Tanabe Seiyaku Co., Ltd., Higashiku, Osaka, Japan
    • 2. (a) Diltiazem, Tanabe Seiyaku Co., Ltd., Higashiku, Osaka, Japan, 1987.
    • (1987) Diltiazem
  • 23
    • 85030273251 scopus 로고    scopus 로고
    • University of Alcalá. OPTIMUS is an object oriented program which runs under Windows 3.1 or '95 and implements some of the more popular algorithms for process optimization. Beta versions would be supplied to non-profit organisations under request
    • 9. Ramos, A.; Alvarez-Builla, J. University of Alcalá. OPTIMUS is an object oriented program which runs under Windows 3.1 or '95 and implements some of the more popular algorithms for process optimization. Beta versions would be supplied to non-profit organisations under request.
    • Ramos, A.1    Alvarez-Builla, J.2
  • 28
    • 85030270343 scopus 로고    scopus 로고
    • note
    • 2O (7:3); flow rate: 0.5 mL/min; absorbance: 244 nm; time from injection: trans (10.19 min), cis (13.17 min).
  • 29
    • 85030274873 scopus 로고    scopus 로고
    • note
    • (b) 4-trans: A mixture of 2 (0.35 g, 2.8 mmol) and 3 (0.45 g, 2.16 mmol) in glacial AcOH (0.5 mL) was purged with argon and irradiated in a microwave oven in an open erlenmeyer flask for 10 min at 490 watts. Work-up as indicated above for 4-cis afforded 0.58 g (83%) of a 9:1 mixture of trans/cis isomers.
  • 30
    • 33845551763 scopus 로고
    • 15. A commercial microwave oven with 900 watts of power output was used. The power generated by the oven was measured before every experiment by the method described by Watkins, K. W. J. Chem. Ed. 1983, 60, 1043.
    • (1983) J. Chem. Ed. , vol.60 , pp. 1043
    • Watkins, K.W.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.