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Search results for: mannich reaction
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... crystallography. To prepare for the intramolecular Mannich condensation , the azide was reduced to ... observe the desired diastereomer crystallize from the reaction mixture in 89% yield. The ...
... key tetracyclic intermediate 18 by the intramolecular Mannich cyclization of the keto aldehyde 17 ( ... from the corresponding ester by the Kulinkovich reaction , to a ketone that was reduced ...
... secondary amine 9, leading to the Mannich product 10 (J . Am. ... De-Wei Gao of ShanghaiTech University showed that reaction of the alkynyl sulfone 35 with the ...
... Abstract ?-Keto esters can be prepared via Mannich addition of ethyl diazoacetate to imines followed ... 10.1021/ol4009206 see article for more reactions Abstract ?-Keto esters can be prepared via ...
... Oppolzer camphor sultam 20 condensed with the Mannich reagent 21 to give 22 as a ... ) the Zr-catalyzed asymmetric carboalumination (ZACA reaction) of the alkene 15 to give ...
... ) that the organocatalyst 8 mediates the Mannich condensation of 6 with 7 to give ... . Organometallic catalysis allows the development of reactions that are beyond the range of conventional ...
... , condensed the resulting anion with the Mannich equivalent 13 to give, after cyclization ... to 2-aminothiazoles such as 4. The reaction is apparently proceeding by way of the ...
