Mori, K.; Sasaki, M.; Tamada, S.; Suguro, T.; Masuda, S. published the artcile< Pheromone synthesis. XXIX. Synthesis of optically active 2-ethyl-1,6-dioxaspiro[4.4]nonane (chalcogran), the principal aggregation pheromone of Pityogenes chalcographus (L.)>, COA of Formula: C5H10O3, the main research area is chalcogran Pityogenes total synthesis.
The 2R,5RS and 2S,5RS isomers of chalcogran (I) were prepared as 40.1:59.9 and 41.3:58.7 mixtures, resp., of diastereoisomers. The key step (yield 30.1-9.4%) was alkylation of α-acetyl-γ-butyrolactone dianion by (R)-(+)- or (S)-(-)-1,2-epoxybutane followed by alk. hydrolysis, decarboxylation, and acidification.
Tetrahedron published new progress about Pheromones, animal, aggregating Role: RCT (Reactant), RACT (Reactant or Reagent). 73349-07-2 belongs to class esters-buliding-blocks, and the molecular formula is C5H10O3, COA of Formula: C5H10O3.
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics