Diastereoselective Synthesis of P-Stereogenic Secondary Phosphine Oxides (SPOs) Bearing a Chiral Substituent by Ring Opening of (+)-Limonene Oxide with Primary Phosphido Nucleophiles.
Zimmerman, Amber; Xu, Rebecca; Reynolds, Samantha C.; Shipp, Chase; Marshall, Derrick; Wang, Ge; Blank, Natalia F.; Gibbons, Sarah; Hughes, Russell P.; Glueck, David S.; Balaich, Gary James; Rheingold, Arnold L.; The Journal of organic chemistry  (2020) –; doi:10.1021/acs.joc.0c00974

data_4038582
_publ_section_title
;
 Diastereoselective Synthesis of P-Stereogenic Secondary Phosphine Oxides
 (SPOs) Bearing a Chiral Substituent by Ring Opening of (+)-Limonene Oxide
 with Primary Phosphido Nucleophiles.
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.0c00974
_journal_year                    2020
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C16 H23 O2 P'
_chemical_formula_sum            'C16 H23 O2 P'
_chemical_formula_weight         278.31
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2019-09-27
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.9126(3)
_cell_length_b                   12.1600(6)
_cell_length_c                   20.6164(10)
_cell_measurement_reflns_used    1698
_cell_measurement_temperature    100
_cell_measurement_theta_max      68.17
_cell_measurement_theta_min      32.32
_cell_volume                     1482.26(13)
_computing_cell_refinement       'SAINT v8.38A (Bruker, 2017)'
_computing_data_collection       'APEX3 v2017.3-0 (Bruker, 2017)'
_computing_data_reduction        'SAINT v8.38A (Bruker, 2017)'
_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_temperature      100.0
_diffrn_detector                 'Bruker APEX-II CCD'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD Area Detector'
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device       'Kappa Four-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker X8 APEX II'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0247
_diffrn_reflns_av_unetI/netI     0.0252
_diffrn_reflns_Laue_measured_fraction_full 0.985
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            8995
_diffrn_reflns_point_group_measured_fraction_full 0.983
_diffrn_reflns_point_group_measured_fraction_max 0.981
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.161
_diffrn_reflns_theta_min         5.626
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Bruker Microstar FR-592'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.603
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.6813
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0631 before and 0.0410 after correction. The Ratio of minimum to maximum transmission is 0.9047. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.247
_exptl_crystal_description       block
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.248
_refine_diff_density_min         -0.204
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details
;
 Flack x determined using 1056 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.011(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         2654
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0272
_refine_ls_R_factor_gt           0.0269
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0387P)^2^+0.5420P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0722
_refine_ls_wR_factor_ref         0.0724
_reflns_Friedel_coverage         0.690
_reflns_Friedel_fraction_full    0.980
_reflns_Friedel_fraction_max     0.976
_reflns_number_gt                2622
_reflns_number_total             2654
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo0c00974_si_003.cif
_cod_data_source_block           glu538_0m_a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_database_code               4038582
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.681
_shelx_estimated_absorpt_t_min   0.654
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C9(H9), C7(H7)
2.b Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B), C11(H11A,H11B), C10(H10A,H10B)
2.c Aromatic/amide H refined with riding coordinates:
 C1(H1A), C5(H5), C4(H4), C2(H2A), C3(H3)
2.d Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C15(H15A,H15B,H15C)
;
_shelx_res_checksum              70383
_shelx_hkl_checksum              85967
_olex2_submission_special_instructions 'No special instructions were received'