Search for "oxygen heterocycles" in Full Text gives 10 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2021, 17, 932–963, doi:10.3762/bjoc.17.77
Beilstein J. Org. Chem. 2020, 16, 917–955, doi:10.3762/bjoc.16.83
Beilstein J. Org. Chem. 2017, 13, 2179–2185, doi:10.3762/bjoc.13.218
Beilstein J. Org. Chem. 2016, 12, 1512–1550, doi:10.3762/bjoc.12.148
Beilstein J. Org. Chem. 2015, 11, 2696–2706, doi:10.3762/bjoc.11.290
Beilstein J. Org. Chem. 2012, 8, 496–500, doi:10.3762/bjoc.8.56
Beilstein J. Org. Chem. 2011, 7, 1697–1712, doi:10.3762/bjoc.7.200
Beilstein J. Org. Chem. 2011, 7, 897–936, doi:10.3762/bjoc.7.103
Beilstein J. Org. Chem. 2011, 7, 802–807, doi:10.3762/bjoc.7.91
Beilstein J. Org. Chem. 2005, 1, No. 2, doi:10.1186/1860-5397-1-2