Formal intermolecular [2 + 2] cycloaddition reaction of alleneamides with alkenes via gold catalysis.
Li, Xiao-Xiao; Zhu, Li-Li; Zhou, Wen; Chen, Zili; Organic letters 14 (2012) 436–439; doi:10.1021/ol202703a

data_1503472
_publ_section_title
;
 Formal intermolecular [2 + 2] cycloaddition reaction of alleneamides with
 alkenes via gold catalysis.
;
_journal_issue                   2
_journal_name_full               'Organic letters'
_journal_page_first              436
_journal_page_last               439
_journal_paper_doi               10.1021/ol202703a
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C22 H24 F N O3 S'
_chemical_formula_weight         401.48
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.34(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.2359(12)
_cell_length_b                   20.924(4)
_cell_length_c                   15.489(3)
_cell_measurement_reflns_used    4036
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.886
_cell_measurement_theta_min      1.947
_cell_volume                     2020.5(7)
_computing_cell_refinement       crystalclear
_computing_data_collection       'crystalclear(Rigaku/MSC Inc., 2005)'
_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_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'rigaku saturn CCD area detector'
_diffrn_measurement_method       '\w and \f 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  0.0492
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_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            15749
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.95
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.192
_exptl_absorpt_correction_T_max  0.9700
_exptl_absorpt_correction_T_min  0.9518
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_density_diffrn    1.320
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.185
_refine_diff_density_min         -0.262
_refine_diff_density_rms         0.044
_refine_ls_extinction_coef       0.062(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   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         3552
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0779
_refine_ls_R_factor_gt           0.0568
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0863P)^2^+0.4051P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1446
_refine_ls_wR_factor_ref         0.1619
_reflns_number_gt                2678
_reflns_number_total             3552
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol202703a_si_001.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed
to 'constr' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1503472