Chiral phosphine-catalyzed tunable cycloaddition reactions of allenoates with benzofuranone-derived olefins for a highly regio-, diastereo- and enantioselective synthesis of spiro-benzofuranones
Wang, De; Wang, Guo-Peng; Sun, Yao-Liang; Zhu, Shou-Fei; Wei, Yin; Zhou, Qi-Lin; Shi, Min; Chem. Sci. 6 (2015) 7319–; doi:10.1039/C5SC03135D

data_1531045
_publ_section_title
;
 Chiral phosphine-catalyzed tunable cycloaddition reactions of allenoates
 with benzofuranone-derived olefins for a highly regio-, diastereo- and
 enantioselective synthesis of spiro-benzofuranones
;
_journal_issue                   12
_journal_name_full               'Chem. Sci.'
_journal_page_first              7319
_journal_paper_doi               10.1039/C5SC03135D
_journal_volume                  6
_journal_year                    2015
_chemical_absolute_configuration ad
_chemical_formula_sum            'C38.5 H29 Cl O4'
_chemical_formula_weight         591.07
_chemical_name_systematic
; 
 ? 
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2013-10-21 deposited with the CCDC.
2015-09-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.018(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.8074(19)
_cell_length_b                   10.9989(12)
_cell_length_c                   16.649(2)
_cell_measurement_temperature    293(2)
_cell_volume                     3075.9(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0432
_diffrn_reflns_av_unetI/netI     0.0612
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            9347
_diffrn_reflns_point_group_measured_fraction_full 0.904
_diffrn_reflns_point_group_measured_fraction_max 0.903
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.997
_diffrn_reflns_theta_min         2.213
_exptl_absorpt_coefficient_mu    0.165
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.24178
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.276
_exptl_crystal_description       prism
_exptl_crystal_F_000             1236
_exptl_crystal_size_max          0.213
_exptl_crystal_size_mid          0.156
_exptl_crystal_size_min          0.123
_refine_diff_density_max         0.221
_refine_diff_density_min         -0.193
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details
; 
 Flack x determined using 1313 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons and Flack (2004), Acta Cryst. A60, s61). 
;
_refine_ls_abs_structure_Flack   -0.06(8)
_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   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     418
_refine_ls_number_reflns         5478
_refine_ls_number_restraints     85
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0758
_refine_ls_R_factor_gt           0.0540
_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^)+(0.0776P)^2^+0.1360P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1364
_refine_ls_wR_factor_ref         0.1527
_reflns_Friedel_coverage         0.715
_reflns_Friedel_fraction_full    0.799
_reflns_Friedel_fraction_max     0.796
_reflns_number_gt                3947
_reflns_number_total             5478
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5sc03135d2.cif
_cod_data_source_block           cd213569
_cod_depositor_comments
'Adding full bibliography for 1531044--1531046.cif.'
_cod_original_cell_volume        3075.8(6)
_cod_original_formula_sum        'C38.50 H29 Cl O4'
_cod_database_code               1531045
_shelxl_version_number           2013-4
_shelx_res_checksum              89557
_shelx_hkl_checksum              13414