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Volumn 72, Issue 3, 2007, Pages 957-963

An experimental and theoretical study of the asymmetric lithiation of 1,2,3,5,6,7-hexahydro-3a,4a-diazacyclopenta[def]phenanthren-4-one

Author keywords

[No Author keywords available]

Indexed keywords

1,2,3,5,6,7-HEXAHYDRO-3A,4A-DIAZACYCLOPENTA[DEF]PHENANTHREN-4-ONE; ASYMMETRIC LITHIATION; ELECTROPHILE QUENCH; ENANTIOMERIC RATIO;

EID: 33846932791     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo062244t     Document Type: Article
Times cited : (14)

References (49)
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    • Boltzmann distributions were calculated with Spartan02.
    • Boltzmann distributions were calculated with Spartan02.
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    • See the Supporting Information for an overlay of the conformational groupings
    • See the Supporting Information for an overlay of the conformational groupings.
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    • All enantiomeric ratios were determined by chiral stationary phase (CSP) HPLC on a Chiralpak AS-H or a Chiralcel OD-H column.
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    • The sum of two hydrogen van der Waals radii is 2.40 Å: Pauling, L. The Nature of the Chemical Bond, 3rd ed.; Cornell University Press; Ithaca, NY, 1960; p. 260.
    • The sum of two hydrogen van der Waals radii is 2.40 Å: Pauling, L. The Nature of the Chemical Bond, 3rd ed.; Cornell University Press; Ithaca, NY, 1960; p. 260.
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    • An in-depth study of the A-ring β-CH2 effect will be discussed in a forthcoming communication
    • 2 effect will be discussed in a forthcoming communication.
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    • The procedure as used in the preparation of 1,2-dibromo-3,4,5,6- tetramethylbenzene was followed: (a) Kajigaeshi, S.; Kakinami, T.; Moriwaki, M.; Tanaka, T.; Fujisaki, S.; Okamoto, T. Bull. Chem. Soc. Jpn. 1989, 62, 439.
    • The procedure as used in the preparation of 1,2-dibromo-3,4,5,6- tetramethylbenzene was followed: (a) Kajigaeshi, S.; Kakinami, T.; Moriwaki, M.; Tanaka, T.; Fujisaki, S.; Okamoto, T. Bull. Chem. Soc. Jpn. 1989, 62, 439.
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    • See the Supporting Information for an ORTEP plot of dibromide 26
    • See the Supporting Information for an ORTEP plot of dibromide 26.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.