Assembly of 5H-dibenzo[a,d]cycloheptenes by a formal [5 + 2] annulation of ortho-aryl alkynyl benzyl alcohols with arenes
Zhang, Zhebing; Cai, Tao; Zhan, Zhaohui; Xu, Huiting; Yu, Lemao; Luo, Xiang; Li, Chunmei; Gao, Yuzhen; Wei, Xuemei; Chen, Xinzhi; Shen, Run-pu; Organic & Biomolecular Chemistry  (2022) –; doi:10.1039/D2OB01335E

data_7158850
_publ_section_title
;
 Assembly of 5H-dibenzo[a,d]cycloheptenes by a formal [5 + 2] annulation
 of ortho-aryl alkynyl benzyl alcohols with arenes
;
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_paper_doi               10.1039/D2OB01335E
_journal_year                    2022
_chemical_formula_sum            'C23 H20'
_chemical_formula_weight         296.39
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2022-04-01 deposited with the CCDC.	2022-08-25 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.66890(10)
_cell_length_b                   10.27550(10)
_cell_length_c                   27.4770(4)
_cell_measurement_reflns_used    5152
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      73.8670
_cell_measurement_theta_min      3.1960
_cell_volume                     1600.56(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0213
_diffrn_reflns_av_sigmaI/netI    0.0255
_diffrn_reflns_limit_h_max       2
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            6090
_diffrn_reflns_theta_full        74.14
_diffrn_reflns_theta_max         74.14
_diffrn_reflns_theta_min         3.22
_exptl_absorpt_coefficient_mu    0.520
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.35460
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colreless
_exptl_crystal_density_diffrn    1.230
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.186
_refine_diff_density_min         -0.185
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.7(18)
_refine_ls_extinction_coef       0.0059(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         2973
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0365
_refine_ls_R_factor_gt           0.0350
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0452P)^2^+0.4078P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0908
_refine_ls_wR_factor_ref         0.0919
_reflns_number_gt                2890
_reflns_number_total             2973
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d2ob01335e2.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7158850