B(C6F5)3-Catalyzed Formal [4+1]-Annulation of ortho-Quinone Methides with Diazoacetates: Access to 2,3-Dihydrobenzofurans
Xu, Guangyang; Tang, Sheng-Biao; Shao, Ying; Sun, Jiangtao; Chemical Communications  (2019) –; doi:10.1039/C9CC04863D

data_7123785
_publ_section_title
;
 B(C6F5)3-Catalyzed Formal [4+1]-Annulation of ortho-Quinone Methides with
 Diazoacetates: Access to 2,3-Dihydrobenzofurans
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC04863D
_journal_year                    2019
_chemical_formula_sum            'C23 H20 O3'
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_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
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_atom_sites_solution_hydrogens   geom
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_audit_update_record
;
2019-06-14 deposited with the CCDC.    2019-07-05 downloaded from the CCDC.
;
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0805P)^2^+1.9003P] where P=(Fo^2^+2Fc^2^)/3'
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