Highly regio- and diastereoselective construction of spirocyclopenteneoxindole phosphonates through a phosphine-catalyzed [3 + 2] annulation reaction
Yu, Chengbin; Zheng, Weiping; Zhan, Junchen; Sun, Yuchao; Miao, Zhiwei; RSC Adv. 4 (2014) 63246–; doi:10.1039/C4RA12997K

data_7218876
_publ_section_title
;
 Highly regio- and diastereoselective construction of
 spirocyclopenteneoxindole phosphonates through a phosphine-catalyzed [3 +
 2] annulation reaction
;
_journal_issue                   108
_journal_name_full               'RSC Adv.'
_journal_page_first              63246
_journal_paper_doi               10.1039/C4RA12997K
_journal_volume                  4
_journal_year                    2014
_chemical_formula_sum            'C25 H24 N3 O4 P'
_chemical_formula_weight         461.44
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 122.44(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.598(2)
_cell_length_b                   12.442(3)
_cell_length_c                   19.597(6)
_cell_measurement_reflns_used    4653
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.8944
_cell_measurement_theta_min      2.0483
_cell_volume                     2386.6(11)
_computing_cell_refinement       crystalclear
_computing_data_collection       crystalclear
_computing_data_reduction        crystalclear
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'rigaku saturn'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0603
_diffrn_reflns_av_sigmaI/netI    0.0551
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            19606
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.05
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.151
_exptl_absorpt_correction_T_max  0.9821
_exptl_absorpt_correction_T_min  0.9561
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_density_diffrn    1.284
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.270
_refine_diff_density_min         -0.227
_refine_diff_density_rms         0.047
_refine_ls_extinction_coef       0.035(3)
_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   0.961
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     337
_refine_ls_number_reflns         4210
_refine_ls_number_restraints     128
_refine_ls_restrained_S_all      0.985
_refine_ls_R_factor_all          0.0812
_refine_ls_R_factor_gt           0.0530
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0881P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1311
_refine_ls_wR_factor_ref         0.1498
_reflns_number_gt                2755
_reflns_number_total             4210
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra12997k2.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed
to 'constr' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2935 2014-11-11 08:27:57Z andrius 
;
_cod_original_cell_volume        2386.6(10)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7218876