Total synthesis of a key series of vinblastines modified at C4 that define the importance and surprising trends in activity.
Yang, Shouliang; Sankar, Kuppusamy; Skepper, Colin K.; Barker, Timothy J.; Lukesh, 3rd, John C; Brody, Daniel M.; Brütsch, Manuela M; Boger, Dale L.; Chemical science 8 (2017) 1560–1569; doi:10.1039/C6SC04146A

data_1544462
_publ_section_title
;
 Total synthesis of a key series of vinblastines modified at C4 that
 define the importance and surprising trends in activity.
;
_journal_issue                   2
_journal_name_full               'Chemical science'
_journal_page_first              1560
_journal_page_last               1569
_journal_paper_doi               10.1039/C6SC04146A
_journal_volume                  8
_journal_year                    2017
_chemical_formula_moiety         'C27 H32 N2 O7'
_chemical_formula_sum            'C27 H32 N2 O7'
_chemical_formula_weight         496.54
_chemical_name_systematic        ysl-cycloaddition-pro-Allyl
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-04-06
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_audit_update_record
;
2016-04-19 deposited with the CCDC.
2016-11-03 downloaded from the CCDC.
;
_cell_angle_alpha                89.833(15)
_cell_angle_beta                 82.205(18)
_cell_angle_gamma                85.541(16)
_cell_formula_units_Z            2
_cell_length_a                   9.067(5)
_cell_length_b                   9.572(4)
_cell_length_c                   14.080(7)
_cell_measurement_reflns_used    4507
_cell_measurement_temperature    100
_cell_measurement_theta_max      25.980
_cell_measurement_theta_min      2.274
_cell_volume                     1207.0(10)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'APEX2 v2014.11-0 (Bruker, 2014)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT (Sheldrick, 2008)'
_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 1.000
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device       'Kappa Four-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker APEX II Ultra'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0452
_diffrn_reflns_av_unetI/netI     0.0444
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.984
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            20627
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.984
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         26.422
_diffrn_reflns_theta_min         2.134
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Bruker TXS'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  0.0932
_exptl_absorpt_correction_T_min  0.0684
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/4 (Bruker,2014/4) was used for absorption correction.
wR2(int) was 0.0938 before and 0.0482 after correction.
The Ratio of minimum to maximum transmission is 0.7339.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_colour_primary    Colorless
_exptl_crystal_density_diffrn    1.366
_exptl_crystal_description       Block
_exptl_crystal_F_000             528
_exptl_crystal_recrystallization_method 'Vapour deposition'
_exptl_crystal_size_max          0.085
_exptl_crystal_size_mid          0.083
_exptl_crystal_size_min          0.031
_refine_diff_density_max         0.236
_refine_diff_density_min         -0.236
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     329
_refine_ls_number_reflns         4889
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0643
_refine_ls_R_factor_gt           0.0424
_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^)+(0.0490P)^2^+0.3050P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0966
_refine_ls_wR_factor_ref         0.1092
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3618
_reflns_number_total             4889
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6sc04146a2.cif
_cod_data_source_block           Boger26
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 1544462--1544465.cif.

 Adding full bibliography for 1544462--1544465.cif.
;
_cod_original_cell_volume        1207.1(10)
_cod_database_code               1544462
_shelx_estimated_absorpt_t_max   0.997
_shelx_estimated_absorpt_t_min   0.992
_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:
 C8(H8), C18(H18)
2.b Secondary CH2 refined with riding coordinates:
 C11(H11A,H11B), C12(H12A,H12B), C15(H15A,H15B), C16(H16A,H16B), C20(H20A,
 H20B), C22(H22A,H22B)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C5(H5), C23(H23)
2.d X=CH2 refined with riding coordinates:
 C24(H24A,H24B)
2.e Idealised Me refined as rotating group:
 C21(H21A,H21B,H21C), C25(H25A,H25B,H25C), C26(H26A,H26B,H26C), C27(H27A,H27B,
 H27C)
;
_shelx_res_checksum              65039
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'