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Volumn 29, Issue 48, 1988, Pages 6331-6334

Stereoselective synthesis of the hydroxy amino acid moiety of Al-77-B, a gastroprotective substance from Bacillus pumilus Al-77

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EID: 0000975602     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(00)82339-4     Document Type: Article
Times cited : (74)

References (15)
  • 9
    • 84918140643 scopus 로고    scopus 로고
    • A small amount (2%) of 3-tert-butoxycarbonylamino-4-hydroxy-2-pyrone, mp 112–115°c, was also formed. When 10% hydrogen chloride in methanol was used in place of methanesulfonic acid, the yield of 7 was decreased to 46% while that of the α-pyrone derivative was increased to 29%.
  • 10
    • 84918140642 scopus 로고    scopus 로고
    • 3 in ethyl acetate (17.5 mol%, 95 atm, room temp.) afforded the corresponding D-lyxo-lactone as the major product (D-lyxo/D-ribo=30:1).
  • 12
    • 84918140641 scopus 로고    scopus 로고
    • Prepared from methoxymethyltriphenylphosphonium chloride with potassium tert-butoxide in glyme-toluene at −15°C under argon.
  • 14
    • 84918140640 scopus 로고    scopus 로고
    • The compounds 6b-13 were obtained as colorless or pale yellow oils.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.