Phospha-Peterson reactions with esters and thioesters: isolation of phosphaalkenes bearing C-heteroatom substituents.
Mitchell, Aaron A.; Heine, Paul A.; Chang, Joseph; De Paolis, Adam; Patrick, Brian O.; Gates, Derek P.; Dalton transactions (Cambridge, England : 2003) 54 (2025) 14277–14285; doi:10.1039/d5dt01781e

data_1575629
_publ_section_title
;
 Phospha-Peterson reactions with esters and thioesters: isolation of
 phosphaalkenes bearing C-heteroatom substituents.
;
_journal_issue                   38
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14277
_journal_page_last               14285
_journal_paper_doi               10.1039/d5dt01781e
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C40 H48 Na2 O4 P2'
_chemical_formula_sum            'C40 H48 Na2 O4 P2'
_chemical_formula_weight         700.70
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2025-07-24
_audit_creation_method
;
Olex2 1.5
(compiled 2025.07.13 svn.rb7424aed for OlexSys, GUI svn.r7311)
;
_audit_update_record
;
2025-07-24 deposited with the CCDC.	2025-09-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.8330(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   12.1404(3)
_cell_length_b                   11.3809(3)
_cell_length_c                   13.9132(3)
_cell_measurement_reflns_used    9845
_cell_measurement_temperature    100.00
_cell_measurement_theta_max      69.77
_cell_measurement_theta_min      3.75
_cell_volume                     1866.61(8)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100.00
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0281
_diffrn_reflns_av_unetI/netI     0.0218
_diffrn_reflns_Laue_measured_fraction_full 0.980
_diffrn_reflns_Laue_measured_fraction_max 0.977
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            24797
_diffrn_reflns_point_group_measured_fraction_full 0.980
_diffrn_reflns_point_group_measured_fraction_max 0.977
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         69.971
_diffrn_reflns_theta_min         5.081
_exptl_absorpt_coefficient_mu    1.595
_exptl_absorpt_correction_T_max  0.9087
_exptl_absorpt_correction_T_min  0.7468
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1288 before and 0.0430 after correction.
The Ratio of minimum to maximum transmission is 0.8219.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.247
_exptl_crystal_description       prism
_exptl_crystal_F_000             744
_exptl_crystal_recrystallization_method 'Vapour deposition'
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.308
_refine_diff_density_min         -0.257
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         3452
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0313
_refine_ls_R_factor_gt           0.0310
_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^)+(0.0329P)^2^+1.0497P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0797
_refine_ls_wR_factor_ref         0.0799
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3411
_reflns_number_total             3452
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt01781e2.cif
_cod_data_source_block           dg715_a
_cod_depositor_comments
'Adding full bibliography for 1575627--1575631.cif.'
_cod_database_code               1575629
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.910
_shelx_estimated_absorpt_t_min   0.741
_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 Secondary CH2 refined with riding coordinates:
 C17(H17A,H17B), C18(H18A,H18B), C19(H19A,H19B), C20(H20A,H20B)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C7(H7), C10(H10), C12(H12), C6(H6), C5(H5)
2.c Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C)
;
_shelx_res_checksum              7477
_shelx_hkl_checksum              3784
_olex2_submission_special_instructions 'No special instructions were received'