Intramolecular annulation of aromatic rings with N-sulfonyl 1,2,3-triazoles: divergent synthesis of 3-methylene-2,3-dihydrobenzofurans and 3-methylene-2,3-dihydroindoles
Xiang-Ying Tang; Yong-Sheng Zhang; Lv He; Yin Wei; Min Shi; Chem.Commun. 51 (2015) 133–; doi:10.1039/C4cc08343A

data_7116163
_publ_section_title
;
 Intramolecular annulation of aromatic rings with N-sulfonyl
 1,2,3-triazoles: divergent synthesis of
 3-methylene-2,3-dihydrobenzofurans and 3-methylene-2,3-dihydroindoles
;
_journal_name_full               Chem.Commun.
_journal_page_first              133
_journal_paper_doi               10.1039/C4cc08343A
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C23 H22 N2 O4 S2'
_chemical_formula_weight         454.54
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
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_cell_angle_beta                 78.349(6)
_cell_angle_gamma                71.093(6)
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_cell_length_a                   10.559(3)
_cell_length_b                   10.991(3)
_cell_length_c                   11.719(3)
_cell_measurement_reflns_used    2120
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      48.054
_cell_measurement_theta_min      4.458
_cell_volume                     1149.2(5)
_computing_cell_refinement       'Bruker SMART'
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_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.007
_diffrn_measured_fraction_theta_max 1.018
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_R_equivalents  0.0284
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_diffrn_reflns_Laue_measured_fraction_full 1.007
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_diffrn_reflns_theta_max         25.499
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_exptl_absorpt_process_details   sadabs
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1146P)^2^+2.3749P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_cod_database_code               7116163
_shelxl_version_number           2013-4
_shelx_res_checksum              56469