Keywords
1
2-addition reaction
asperlin
cyrene
methylthiomethyl ethers.
tetrahydropyrans
α-tetrahydropyrones
Abstract
Addition of allylzinc to cyrene affords diastereomeric 4-allyl-6,8-dioxabicyclo[3.2.1]octan-4-ols. Opening of their 1,6-anhydro bridge with Ac2O followed by selective deacetylation of the resulting tertiary and acetal acetates yields diastereomeric 2-acetoxymethyl-5-allyl-tetrahydro- pyran-5,6-diols whose oxidation by the action of DMSO-Ac2O system is accompanied by etherification of tertiary hydroxy groups leading to methylthiomethoxy pyrone derivatives. The opening of 1,6-anhydro bridge in 4-allyl-6,8-dioxabicyclo[3.2.1]octan-4-ols with MeOH-HCl followed by oxidation with PCC gives individual (4S,6S)- 1-allyl-6-methoxy-2,5-dioxabicyclo[2.2.2]octan-3-one.
References
.
Faizullina L.K., Khalilova Y.A., Salikhov S.M., Valeev F.A.
Chemistry of Heterocyclic Compounds,
2018
.
Kh. Faizullina L., Khalilova Y.A., Sh. Karamysheva L., Salikhov S.M., Valeev F.A.
Mendeleev Communications,
2022
.
Albright J.D., Goldman L.
Journal of the American Chemical Society,
1965
.
Pojer P., Angyal S.
Australian Journal of Chemistry,
1978
.
Somoza A.D., Lee K., Chiang Y., Oakley B.R., Wang C.C.
Organic Letters,
2012
.
Laliberte R., Medawar G., Lefebvre Y.
Journal of Medicinal Chemistry,
1973
.
Huang S.L., Omura K., Swern D.
Journal of Organic Chemistry,
1976
.
Omura K., Sharma A.K., Swern D.
Journal of Organic Chemistry,
1976
.
Askin D., Angst C., Danishefsky S.
Journal of Organic Chemistry,
1987
.
Aburaki S., Konishi N., Kinoshita M.
Bulletin of the Chemical Society of Japan,
1975
.
Faizullina L.K., Khalilova Y.А., Valeev F.А., Pavlov V.N., Samorodov A.V.
Chemistry of Heterocyclic Compounds,
2021
.
Sharipov B.T., Davidova A.N., Ryabova A.S., Galimzyanova N.F., Valeev F.A.
Chemistry of Heterocyclic Compounds,
2019
.
Isobe M., Fukuda Y., Nishikawa T., Chabert P., Kawai T., Goto T.
Tetrahedron Letters,
1990
.
Cytotoxic effect of levoglucosenone and related derivatives against human hepatocarcinoma cell lines
Giri G.F., Danielli M., Marinelli R.A., Spanevello R.A.
Bioorganic and Medicinal Chemistry Letters,
2016
.
Giri G.F., Viarengo G., Furlán R.L., Suárez A.G., Garcia Véscovi E., Spanevello R.A.
Industrial Crops and Products,
2017
.
Khalilova Y.A., Faizullina L.K., Salikhov S.M., Valeev F.A.
Mendeleev Communications,
2023