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Volumn 21, Issue 39, 2015, Pages 13689-13695

A Versatile Organocatalytic Approach for the Synthesis of Enantioenriched gem-Difluorinated Compounds

Author keywords

aldehydes; alkylation; enantioselectivity; fluorine; organocatalysis

Indexed keywords

ALDEHYDES; ALKYLATION; FLUORINATION; FLUORINE; HALOGENATION; SELECTIVE CATALYTIC REDUCTION; STEREOCHEMISTRY; STEREOSELECTIVITY;

EID: 84941599453     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.201502099     Document Type: Article
Times cited : (5)

References (102)
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    • One of the characterized by-products was 2-benzyloxy-cyclohexylbenzo[b]-1,4-dithiine
    • See the Supporting Information for GC-MS.
    • One of the characterized by-products was 2-benzyloxy-cyclohexylbenzo[b]-1,4-dithiine, formed by a rearrangement of the 1,3-benzodithiol. See the Supporting Information for GC-MS.
    • Formed by A Rearrangement of the 1,3-benzodithiol
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    • In ref.[16a], acid-free 20 was used in the presence of NaH2PO4. The new protocol (see the Supporting Information) involves the use of commercially available 20 without any bases
    • see also ref.[16d].
    • In ref.[16a], acid-free 20 was used in the presence of NaH2PO4. The new protocol (see the Supporting Information) involves the use of commercially available 20 without any bases, slighting improving yields and ee values; see also ref.[16d].
    • Slighting Improving Yields and Ee Values
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    • To obtain good yield in the alkylation of benzodithiol derivatives it is important to use good quality nBuLi and to add the correct amount
    • (see the Supporting Information).
    • To obtain good yield in the alkylation of benzodithiol derivatives it is important to use good quality nBuLi and to add the correct amount. nBuLi must be titrated prior to use in this reaction (see the Supporting Information).
    • NBuLi Must Be Titrated Prior to Use in This Reaction


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.