Strategies for the Total Synthesis of Diverse Bromo-Chamigrenes.
Shen, Minxing; Kretschmer, Manuel; Brill, Zachary G.; Snyder, Scott A.; Organic letters 18 (2016) 5018–5021; doi:10.1021/acs.orglett.6b02478

data_1555782
_publ_section_title
;
 Strategies for the Total Synthesis of Diverse Bromo-Chamigrenes.
;
_journal_issue                   19
_journal_name_full               'Organic letters'
_journal_page_first              5018
_journal_page_last               5021
_journal_paper_doi               10.1021/acs.orglett.6b02478
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         'C14 H21 Br O'
_chemical_formula_sum            'C14 H21 Br O'
_chemical_formula_weight         285.22
_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   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_date             2016-08-10
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_cell_angle_alpha                90
_cell_angle_beta                 93.374(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.2175(7)
_cell_length_b                   13.6079(15)
_cell_length_c                   15.1894(16)
_cell_measurement_reflns_used    9903
_cell_measurement_temperature    100
_cell_measurement_theta_max      28.27
_cell_measurement_theta_min      2.69
_cell_volume                     1282.9(2)
_computing_cell_refinement       'SAINT V.8.35A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX3 v.2015.9-0 (Bruker AXS Inc., 2015)'
_computing_data_reduction        'SAINT V.8.35A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics
;
OLEX2: a complete structure solution, refinement and analysis program 
Dolomanov et al., 2009

Mercury: visualization and analysis of crystal structures
Macrae, et al., 2006

O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann.
J. Appl. Cryst. (2009). 42, 339-341;

C. F. Macrae, P. R. Edgington, P. McCabe, E. Pidcock, G. P. Shields, R. Taylor,
M. Towler and J. van de Streek, J. Appl. Cryst. (2006). 39, 453-457.
;
_computing_publication_material
;
 APEX3 v.2015.5-2 (Bruker AXS Inc., 2015)
 OLEX2 (Dolomanov et al., 2009)
;
_computing_structure_refinement  'XL-2014/7 (Sheldrick, 2015b)'
_computing_structure_solution    'XT 2014/5 (Sheldrick, 2015a)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 Venture PHOTON 100 CMOS'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  mirrors
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0688
_diffrn_reflns_av_unetI/netI     0.0402
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            15287
_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         26.454
_diffrn_reflns_theta_min         2.687
_diffrn_source                   'INCOATEC ImuS micro-focus source'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.182
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6354
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.0744 before and 0.0497 after correction.
The Ratio of minimum to maximum transmission is 0.8521.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.477
_exptl_crystal_description       block
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.465
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     148
_refine_ls_number_reflns         2639
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0400
_refine_ls_R_factor_gt           0.0279
_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^)+(0.0344P)^2^+0.2441P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0656
_refine_ls_wR_factor_ref         0.0694
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2184
_reflns_number_total             2639
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol6b02478_si_006.cif
_cod_data_source_block           mo_0249_mshen
_cod_database_code               1555782
_shelx_estimated_absorpt_t_max   0.701
_shelx_estimated_absorpt_t_min   0.394
_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:
 C11(H11)
2.b Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B), C6(H6A,H6B), C7(H7A,H7B), C9(H9A,H9B), C10(H10A,H10B)
2.c Aromatic/amide H refined with riding coordinates:
 C3(H3)
2.d Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C13(H13A,H13B,H13C), C14(H14A,H14B,H14C)
;
_shelx_res_checksum              92350
_shelx_hkl_checksum              94079
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'