| Budget Amount *help |
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2020: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2019: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2018: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
|
|---|
| Outline of Final Research Achievements |
Pd-catalyzed β-carbon elimination of 3-hydroxy-4-pentenoic acid derivatives promoted by triethylborane proceeded to form conjugated dienes via a decarboxylation process. The formed conjugated dienes underwent the Prins reaction with aldehydes in situ to afford conjugated homoallylic alcohols. These sequential transformations enabled conversion of a diastereomeric mixture of 3-hydroxy-4-pentenoic acids, which were readily prepared from the simple crossed aldol reaction of esters and α,β-unsaturated aldehydes, to 3,5-hexadienyl alcohols with high regio- and stereoselectivities in a single manipulation.
|
