Palladium-catalysed cyclisation of vinylethylene carbonates and anhydrides: a new approach to diverse medium-sized bislactones.
Dai, Qing-Song; Tao, Ying-Mao; Zhang, Xiang; Leng, Hai-Jun; Huang, Hua; Xiang, Peng; Li, Qing-Zhu; Wang, Qi-Wei; Li, Jun-Long; Chemical communications (Cambridge, England) 56 (2020) 12439–12442; doi:10.1039/d0cc05341d

data_7127217
_publ_section_title
;
 Palladium-catalysed cyclisation of vinylethylene carbonates and
 anhydrides: a new approach to diverse medium-sized bislactones.
;
_journal_issue                   82
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              12439
_journal_page_last               12442
_journal_paper_doi               10.1039/d0cc05341d
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         'C24 H18 O4'
_chemical_formula_sum            'C24 H18 O4'
_chemical_formula_weight         370.38
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2020-04-09
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_audit_update_record
;
2020-04-09 deposited with the CCDC.	2020-09-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.475(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.2786(3)
_cell_length_b                   10.8706(4)
_cell_length_c                   15.3317(4)
_cell_measurement_reflns_used    5380
_cell_measurement_temperature    295.9(2)
_cell_measurement_theta_max      70.9670
_cell_measurement_theta_min      3.9260
_cell_volume                     1863.77(10)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_environment      air
_diffrn_ambient_temperature      295.9(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 15.9595
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -89.00  -2.00   1.00    1.00    --  -34.73 125.00 120.00   87
  2  \w     16.00 103.00   1.00    1.00    --   34.73  57.00 120.00   87
  3  \w     23.00  89.00   1.00    1.00    --   34.73-125.00  90.00   66
  4  \w     -3.00 107.00   1.00    1.00    --   34.73  19.00 -60.00  110
  5  \w      6.00 104.00   1.00    1.00    --   34.73  77.00   0.00   98
  6  \w     23.00  89.00   1.00    1.00    --   34.73-125.00 -60.00   66
  7  \w     23.00  89.00   1.00    1.00    --   34.73-125.00-120.00   66
  8  \w    -36.00  57.00   1.00    1.00    --   34.73 -38.00 -30.00   93
  9  \w      6.00 104.00   1.00    1.00    --   34.73  77.00  90.00   98
 10  \w     37.00 110.00   1.00    1.00    --  106.90 -94.00 -90.00   73
 11  \w     37.00 127.00   1.00    1.00    --  106.90 -45.00 -90.00   90
 12  \w     39.00 127.00   1.00    1.00    --  106.90 -61.00 -90.00   88
 13  \w     87.00 175.00   1.00    1.00    --  106.90  61.00  60.00   88
 14  \w    100.00 178.00   1.00    1.00    --  106.90 111.00-150.00   78
 15  \w     69.00 148.00   1.00    1.00    --  106.90 178.00 150.00   79
 16  \w     44.00 178.00   1.00    1.00    --  106.90   0.00-150.00  134
 17  \w     11.00  53.00   1.00    1.00    --   35.35 -99.00  30.00   42
 18  \w     35.00  98.00   1.00    1.00    --   35.35  57.00 -30.00   63
 19  \w    -16.00  11.00   1.00    1.00    --   35.35 -77.00-180.00   27
 20  \w    151.00 177.00   1.00    1.00    --  106.90  30.00-120.00   26
 21  \w     81.00 107.00   1.00    1.00    --  106.90-111.00 -90.00   26
 22  \w     88.00 103.00   1.00    1.00    --  106.90-111.00  60.00   15
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'New Gemini, Dual, Cu at home/near, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0380684000
_diffrn_orient_matrix_UB_12      0.1351802000
_diffrn_orient_matrix_UB_13      0.0156021000
_diffrn_orient_matrix_UB_21      -0.0368174000
_diffrn_orient_matrix_UB_22      -0.0059249000
_diffrn_orient_matrix_UB_23      0.0931850000
_diffrn_orient_matrix_UB_31      0.1271781000
_diffrn_orient_matrix_UB_32      -0.0421665000
_diffrn_orient_matrix_UB_33      0.0366556000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0521
_diffrn_reflns_av_unetI/netI     0.0303
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.979
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            11540
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.979
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         71.288
_diffrn_reflns_theta_min         3.953
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.727
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.77080
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46e (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.320
_exptl_crystal_description       block
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.65
_exptl_crystal_size_mid          0.6
_exptl_crystal_size_min          0.5
_refine_diff_density_max         0.251
_refine_diff_density_min         -0.328
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         3544
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0542
_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^+0.3628P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1376
_refine_ls_wR_factor_ref         0.1443
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3068
_reflns_number_total             3544
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cc05341d2.cif
_cod_data_source_block           cd-ljl-0315a
_cod_depositor_comments
'Adding full bibliography for 7127214--7127217.cif.'
_cod_database_code               7127217
_reflns_odcompleteness_completeness 99.94
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     66.97
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C00B(H00A,H00B), C00Q(H00C,H00D)
2.b Aromatic/amide H refined with riding coordinates:
 C006(H006), C00E(H00E), C00G(H00G), C00H(H00H), C00I(H00I), C00J(H00J),
 C00K(H00K), C00L(H00L), C00M(H00M), C00N(H00N), C00O(H00O), C00P(H00P),
 C00R(H00R), C00S(H00S)
;
_shelx_res_checksum              69508
_shelx_shelxl_version_number     2014/7
_olex2_date_sample_data_collection 2020-04-09
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
- Detector area scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.831
_oxdiff_exptl_absorpt_empirical_full_min 0.625