77150-70-0Relevant articles and documents
SYNTHESIS OF 1,1-DIMETHYLCARBA-2-PENEM DERIVATIVES VIA A DIECKMANN-TYPE CYCLIZATION
Shibuya, Masayuki,Kubota, Seiju
, p. 3611 - 3614 (2007/10/02)
The synthesis of 1,1-dimethylcarba-2-penem derivatives via a Dieckmann-type cyclization and the use of a new method for removing the benzyl protecting group are reported.
SYNTHESIS OF 1,1-DIMETHYLCARBAPEN-2-EM DERIVATIVE VIA AN ALDOL-TYPE CYCLIZATION
Shibuya, Masayuki,Kubota, Seiju
, p. 4009 - 4012 (2007/10/02)
The synthesis of 1,1-dimethylcarbapen-2-em derivative 3 is described.The key step in the synthesis is an intramolecular aldol-type condensation reaction.