Scale-up and optimization of the synthesis of dual CBP/BRD4 inhibitor ISOX-DUAL.
Edmonds, Anthony K.; Oakes, Catherine S.; Hassell-Hart, Storm; Bruyère, Didier; Tizzard, Graham J.; Coles, Simon J.; Felix, Robert; Maple, Hannah J.; Marsh, Graham P.; Spencer, John; Organic & biomolecular chemistry 20 (2022) 4021–4029; doi:10.1039/d2ob00609j

data_7158658
_publ_section_title
;
 Scale-up and optimization of the synthesis of dual CBP/BRD4 inhibitor
 ISOX-DUAL.
;
_journal_issue                   19
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4021
_journal_page_last               4029
_journal_paper_doi               10.1039/d2ob00609j
_journal_volume                  20
_journal_year                    2022
_chemical_formula_moiety         'C26 H31 N3 O4'
_chemical_formula_sum            'C26 H31 N3 O4'
_chemical_formula_weight         449.54
_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   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2018-06-18
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-09-15 deposited with the CCDC.	2022-04-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.111(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.0873(2)
_cell_length_b                   12.4610(2)
_cell_length_c                   14.1989(2)
_cell_measurement_reflns_used    14788
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      33.7150
_cell_measurement_theta_min      2.1600
_cell_volume                     2306.36(6)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46b (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46b (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46b (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_temperature      100(2)
_diffrn_detector                 'hybrid pixel detector'
_diffrn_detector_area_resol_mean 10
_diffrn_detector_dtime           0.000
_diffrn_detector_type            'Rigaku, HyPix 6000'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_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   -103.00  76.00   0.50    5.00    --  -13.80 -11.00 117.00  358
  2  \w    -47.00  76.00   0.50    5.00    --  -13.80  57.00 -60.00  246
  3  \w   -103.00  20.00   0.50    5.00    --  -13.80 -57.00 -30.00  246
  4  \w    -47.00 -16.00   0.50    5.00    --  -13.80  57.00-180.00   62
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_details 'Rigaku, AFC12 \k goniometer'
_diffrn_measurement_device_type
'Rigaku FRE+ equipped with VHF Varimax confocal mirrors and an AFC12 goniometer and HyPix 6000 detector'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support 'MiTeGen MicroLoop'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0399743000
_diffrn_orient_matrix_UB_12      -0.0074809000
_diffrn_orient_matrix_UB_13      -0.0365492000
_diffrn_orient_matrix_UB_21      0.0368291000
_diffrn_orient_matrix_UB_22      -0.0033762000
_diffrn_orient_matrix_UB_23      -0.0336349000
_diffrn_orient_matrix_UB_31      0.0030790000
_diffrn_orient_matrix_UB_32      -0.0563098000
_diffrn_orient_matrix_UB_33      0.0068780000
_diffrn_radiation_collimation    0.2
_diffrn_radiation_monochromator  'Confocal mirrors, VHF Varimax'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0328
_diffrn_reflns_av_unetI/netI     0.0271
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            35410
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.508
_diffrn_reflns_theta_min         2.178
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           55.0
_diffrn_source_power             2.475
_diffrn_source_target            Mo
_diffrn_source_type              'Rigaku FRE+'
_diffrn_source_voltage           45.0
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.60409
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46b (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.295
_exptl_crystal_description       block
_exptl_crystal_F_000             960
_exptl_crystal_recrystallization_method
'The material was recrystallised from a mixture of DCM and hexane  by slow evaporation'
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.434
_refine_diff_density_min         -0.226
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         7030
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0597
_refine_ls_R_factor_gt           0.0496
_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^)+(0.0793P)^2^+0.6574P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1330
_refine_ls_wR_factor_ref         0.1390
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5892
_reflns_number_total             7030
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ob00609j2.cif
_cod_data_source_block           27
_cod_depositor_comments
'Adding full bibliography for 7158654--7158659.cif.'
_cod_database_code               7158658
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C26 H31 N3 O4'
_chemical_oxdiff_usercomment     AKE-040
_shelx_estimated_absorpt_t_max   0.987
_shelx_estimated_absorpt_t_min   0.969
_reflns_odcompleteness_completeness 99.86
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     30.44
_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, All O(H) groups
2. Restrained distances
 O2-H2 = O3-H3 = O4-H4
 0.82 with sigma of 0.01
3. Others
 Sof(H4)=1-FVAR(1)
 Sof(H3)=FVAR(1)
4.a Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B), C9(H9A,H9B), C10(H10A,H10B), C11(H11A,H11B), C12(H12A,H12B),
 C13(H13A,H13B), C14(H14A,H14B), C15(H15A,H15B)
4.b Aromatic/amide H refined with riding coordinates:
 C4(H4A), C6(H6), C7(H7), C17(H17), C18(H18), C20(H20), C21(H21)
4.c Idealised Me refined as rotating group:
 C24(H24A,H24B,H24C), C26(H26A,H26B,H26C)
;
_shelx_res_checksum              89212
_olex2_date_sample_data_collection 2018-06-15
_olex2_date_sample_submission    2018-05-16
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems'
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a MITIGEN holder in perfluoroether oil'
_olex2_submission_original_sample_id AKE-040
_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
;
_oxdiff_exptl_absorpt_empirical_full_max 1.563
_oxdiff_exptl_absorpt_empirical_full_min 0.509