A palladium-catalyzed tandem reaction of 2-alkynylbenzenesulfonamides with 2-(2-bromoarylidene)cyclobutanones
Gong, Xinxing; Xia, Hongguang; Wu, Jie; Organic Chemistry Frontiers 3 (2016) 697–; doi:10.1039/C6QO00091F

data_1553447
_publ_section_title
;
 A palladium-catalyzed tandem reaction of 2-alkynylbenzenesulfonamides
 with 2-(2-bromoarylidene)cyclobutanones
;
_journal_issue                   6
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              697
_journal_paper_doi               10.1039/C6QO00091F
_journal_volume                  3
_journal_year                    2016
_chemical_formula_sum            'C26 H21 N O3 S'
_chemical_formula_weight         427.50
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2016-02-12 deposited with the CCDC.
2016-03-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 113.492(12)
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_cell_length_c                   19.700(19)
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_computing_cell_refinement       'Bruker XSCANS'
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_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
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_diffrn_reflns_av_R_equivalents  0.1211
_diffrn_reflns_av_unetI/netI     0.1191
_diffrn_reflns_Laue_measured_fraction_full 0.972
_diffrn_reflns_Laue_measured_fraction_max 0.997
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_diffrn_reflns_limit_l_min       -23
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_diffrn_reflns_point_group_measured_fraction_full 0.972
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_refine_ls_extinction_method     none
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_refine_ls_R_factor_all          0.1656
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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^)+(0.1383P)^2^+24.6828P] 
 where P=(Fo^2^+2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
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_shelx_estimated_absorpt_t_max   0.971
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_shelx_res_checksum              38924
_shelx_hkl_checksum              70102