SEARCH Articles Figures Tables 1-Benzoxepin 1.2.4.5- Tetrahydro-3-benzoxepin 2.3- Dihydro-7-benzoxepine 2.3- dihydro- 1-benzoxepines 2.3- dihydro-l-benzoxepines 3- Chromenes 1-benzoxepins Benzoxepin reaction Benzoxepin synthesis Benzoxepine Benzoxepine ring Benzoxepine synthesis Benzoxepines synthesis Benzoxepines via SrnI reaction Benzoxepins Benzoxepins formation