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Search results for: dieckmann condensation

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... for more reactions Key Words Dieckmann Condensation, N-Heterocycles ID ... Organic Chemistry Portal Silylative Dieckmann-Like Cyclizations of Ester-Imides ( ... more reactions Key Words Dieckmann Condensation, N-Heterocycles ID: ...
URL: http://www.organic-chemistry.org/abstracts/lit1/477.shtm
... An Efficient and Scalable One-Pot Double Michael Addition-Dieckmann Condensation for the Synthesis of 4, ... Cyclohexane ?-Keto Esters Michael R. DeGraffenreid, Sarah Bennett, Sebastien Caille, Felix ...
URL: http://www.organic-chemistry.org/abstracts/lit1/850.shtm
... step of which was the ring-contracting transannular Dieckmann cyclization of 1. The enantiomerically-pure fragments ... with allylmagnesium chloride. Ozonolysis followed by condensation with the acyl oxazolidinone 6 set the ...
URL: http://www.organic-chemistry.org/Highlights/2006/06March.shtm
... process involving a transesterification and a subsequent Dieckmann cyclization. see article for more examples ... reaction pathway Key Words cyclizations, Dieckmann Condensation, esters, heterocycles, lactones, ...
URL: http://www.organic-chemistry.org/abstracts/lit2/030.shtm
... Exposure of 18 to NaOCH 3 initiated Dieckmann cyclization, leading to (- )-Fusarisetin ... 15, as the desired diastereomer. Condensation of the ester 15 with the amine ...
URL: http://www.organic-chemistry.org/Highlights/2013/04February.shtm
... of this with base then induces a Dieckmann condensation type cyclisation to deliver the desired ... . Of course, at this stage, only a few more steps were required ...
URL: http://www.organic-chemistry.org/totalsynthesis/totsyn02/rapamycin-ley.shtm
... had to make the substrate: A Dieckmann condensation dimerised the 1,4-diallyl esters ... give the required 1,4-cyclohexanedione functionality very quickly- a nice use of an ...
URL: http://www.organic-chemistry.org/totalsynthesis/totsyn04/cyanthiwigin-f-stoltz.shtm
... treated with sodium methoxide, promoting a Dieckmann condensation- the base again deprotonates the ... proton on the 1,3-dicarbonyl, which attacks the methyl ester. The immediate ...
URL: http://www.organic-chemistry.org/totalsynthesis/totsyn06/fusarisetin-a-li.shtm