Synthesis of 2-Aryl-3-sulfonylchromans via Knoevenagel Condensation and Reduction Protocol.
Chang, Meng-Yang; Chen, Han-Yu; Chen, Yu-Hsin; The Journal of organic chemistry 82 (2017) 12631–12639; doi:10.1021/acs.joc.7b02392

data_4033130
_publ_section_title
;
 Synthesis of 2-Aryl-3-sulfonylchromans via Knoevenagel Condensation and
 Reduction Protocol.
;
_journal_issue                   23
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              12631
_journal_page_last               12639
_journal_paper_doi               10.1021/acs.joc.7b02392
_journal_volume                  82
_journal_year                    2017
_chemical_formula_sum            'C22 H21 N O6 S'
_chemical_formula_weight         427.46
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
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_cell_angle_beta                 103.256(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_length_b                   7.0685(6)
_cell_length_c                   20.9049(16)
_cell_measurement_reflns_used    6885
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.3316
_cell_measurement_theta_min      3.0460
_cell_volume                     1949.1(3)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
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_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
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_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_Laue_measured_fraction_full 0.999
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_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
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_diffrn_reflns_limit_k_min       -8
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_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            16157
_diffrn_reflns_point_group_measured_fraction_full 0.999
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_exptl_absorpt_coefficient_mu    0.208
_exptl_absorpt_correction_T_max  0.9485
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.457
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Lump
_exptl_crystal_F_000             896
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_refine_ls_number_parameters     278
_refine_ls_number_reflns         3969
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0412
_refine_ls_R_factor_gt           0.0344
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0360P)^2^+1.1632P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0824
_refine_ls_wR_factor_ref         0.0862
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3461
_reflns_number_total             3969
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo7b02392_si_001.cif
_cod_data_source_block           170531lt_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 4033128--4033132.cif.
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_cod_database_code               4033130
_shelxl_version_number           2014/6
_shelx_res_checksum              35935
_shelx_hkl_checksum              2803