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Volumn 46, Issue 38, 2005, Pages 6519-6524

A new 3-methylidenepentane-1,5-dianion synthon: Synthesis of perhydropyrano[2,3-b]pyrans and 1,7-dioxaspiro[4.5]decanes

Author keywords

1,5 Dianion synthon; Dioxaspirodecanes; DTBB catalysed lithiation; Perhydropyranopyrans

Indexed keywords

1,7 DIOXASPIRO[4.5]DECANE; 3 METHYLIDENEPENTANE 1,5 DIANION SYNTHON; 4 PHENYLSULFANYL 2 (2 PHENYLSULFANYLETHYL)BUT 1 ENE; CARBONYL DERIVATIVE; DECANE; LITHIUM; PENTANE; PERHYDROPYRANO[2,3 B]PYRAN; PYRAN DERIVATIVE; UNCLASSIFIED DRUG;

EID: 23844484680     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2005.07.077     Document Type: Article
Times cited : (16)

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    • note
    • 4. The solvent was evaporated under reduced pressure (15 Torr) and the reaction crude purified by column chromatography [silica gel, hexane/EtOAc (compounds 3a-e ), hexane/MeOH (compound 3f )] or recrystallisation with hexane (compound 3g ).
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    • note
    • 4 and the solvents evaporated under reduced pressure (15 Torr), giving a reaction crude that contained pure compound 6 that did not require any further purification.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.