Palladium-catalysed cyclisation of ynamides and propargyl tethered iodosulfonamides with boronic acids leading to benzosultams.
Sandeep, K.; Siva Reddy, Alla; Kumara Swamy, K. C.; Organic & biomolecular chemistry 19 (2021) 6871–6882; doi:10.1039/d1ob00925g

data_7158203
_publ_section_title
;
 Palladium-catalysed cyclisation of ynamides and propargyl tethered
 iodosulfonamides with boronic acids leading to benzosultams.
;
_journal_issue                   31
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              6871
_journal_page_last               6882
_journal_paper_doi               10.1039/d1ob00925g
_journal_volume                  19
_journal_year                    2021
_chemical_formula_sum            'C22 H18 Cl N O2 S'
_chemical_formula_weight         395.88
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2021-05-08 deposited with the CCDC.	2021-07-19 downloaded from the CCDC.
;
_cell_angle_alpha                104.997(3)
_cell_angle_beta                 112.432(3)
_cell_angle_gamma                95.785(4)
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_cell_length_b                   10.1081(10)
_cell_length_c                   10.9713(10)
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_cell_measurement_temperature    295(2)
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_cell_measurement_theta_min      2.25
_cell_volume                     969.89(17)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            35324
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.25
_exptl_absorpt_coefficient_mu    0.321
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.356
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             412
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.234
_refine_diff_density_min         -0.340
_refine_diff_density_rms         0.034
_refine_ls_extinction_coef       0.036(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   1.048
_refine_ls_hydrogen_treatment    mixed
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_refine_ls_number_reflns         3388
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0402
_refine_ls_R_factor_gt           0.0343
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0422P)^2^+0.4096P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0882
_refine_ls_wR_factor_ref         0.0918
_reflns_number_gt                2977
_reflns_number_total             3388
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d1ob00925g2.cif
_cod_data_source_block           Compound3ad
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' 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 

 Adding full bibliography for 7158201--7158205.cif.
;
_cod_original_cell_volume        969.88(17)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7158203