Strategies toward the Total Synthesis of Calyciphylline B-type Alkaloids: A Computational Perspective Aided by DFT Analysis.
Chattopadhyay, Amit Kumar; Berger, Gilles; Hanessian, Stephen; The Journal of organic chemistry 81 (2016) 5074–5086; doi:10.1021/acs.joc.6b00638

data_4036820
_publ_section_title
;
 Strategies toward the Total Synthesis of Calyciphylline B-type Alkaloids:
 A Computational Perspective Aided by DFT Analysis.
;
_journal_issue                   12
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              5074
_journal_page_last               5086
_journal_paper_doi               10.1021/acs.joc.6b00638
_journal_volume                  81
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C22 H31 N O2'
_chemical_formula_sum            'C22 H31 N O2'
_chemical_formula_weight         341.48
_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   geom
_audit_creation_date             2015-11-02
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.2339(2)
_cell_length_b                   13.8782(5)
_cell_length_c                   17.7530(6)
_cell_measurement_reflns_used    9685
_cell_measurement_temperature    105
_cell_measurement_theta_max      60.65
_cell_measurement_theta_min      3.52
_cell_volume                     1782.29(10)
_computing_cell_refinement
'SAINT (2013) V8.34A; Integration Software for Single Crystal Data. Bruker AXS Inc., Madison, WI 53719-1173.'
_computing_data_collection
;
APEX 2 (2013) Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_data_reduction
'SAINT (2013) V8.34A; Integration Software for Single Crystal Data. Bruker AXS Inc., Madison, WI 53719-1173.'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XT (Sheldrick, 2015)'
_diffrn_ambient_temperature      105
_diffrn_detector                 'CMOS Area detector'
_diffrn_detector_area_resol_mean 10.24
_diffrn_detector_type            'Bruker Photon 100 CMOS Detector'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker Venture Metaljet'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_collimation    'Focusing mirrors'
_diffrn_radiation_monochromator  'Helios MX Mirror Optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0356
_diffrn_reflns_av_unetI/netI     0.0178
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            50358
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         60.715
_diffrn_reflns_theta_min         3.517
_diffrn_source                   'Metal Jet'
_diffrn_source_target            Ga
_diffrn_source_type              'Gallium Liquid Metal Jet Source'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.401
_exptl_absorpt_correction_T_max  0.7519
_exptl_absorpt_correction_T_min  0.6932
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1388 before and 0.0564 after correction.
The Ratio of minimum to maximum transmission is 0.9219.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_colour_primary    Colorless
_exptl_crystal_density_diffrn    1.273
_exptl_crystal_description       needle
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.428
_refine_diff_density_min         -0.435
_refine_diff_density_rms         0.115
_refine_ls_abs_structure_details
;
 Flack x determined using 1715 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.00(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.181
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         4088
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.181
_refine_ls_R_factor_all          0.0377
_refine_ls_R_factor_gt           0.0375
_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^)+(0.0657P)^2^+0.1783P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0968
_refine_ls_wR_factor_ref         0.0970
_reflns_Friedel_coverage         0.742
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.994
_reflns_number_gt                4049
_reflns_number_total             4088
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo6b00638_si_003.cif
_cod_data_source_block           coumpound_9
_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/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/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 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               4036820
_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:
 C2(H2), C3(H3), C7(H7), C10(H10), C13(H13), C18(H18)
2.b Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C4(H4A,H4B), C5(H5A,H5B), C11(H11A,H11B), C12(H12A,H12B),
 C14(H14A,H14B), C15(H15A,H15B), C19(H19A,H19B), C20(H20A,H20B)
2.c Aromatic/amide H refined with riding coordinates:
 C16(H16)
2.d Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C22(H22A,H22B,H22C)
;
_shelx_res_checksum              99712
_shelx_hkl_checksum              60458
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'