Ready Access to the Echinopines Skeleton via Gold(I)-Catalyzed Alkoxycyclizations of Enynes.
Dorel, Ruth; Echavarren, Antonio M.; The Journal of organic chemistry 81 (2016) 8444–8454; doi:10.1021/acs.joc.6b01607

data_4037149
_publ_section_title
;
 Ready Access to the Echinopines Skeleton via Gold(I)-Catalyzed
 Alkoxycyclizations of Enynes.
;
_journal_issue                   18
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              8444
_journal_page_last               8454
_journal_paper_doi               10.1021/acs.joc.6b01607
_journal_volume                  81
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_sum            'C17 H24 O3'
_chemical_formula_weight         276.36
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.7978(18)
_cell_length_b                   12.383(3)
_cell_length_c                   15.345(4)
_cell_measurement_temperature    100(2)
_cell_volume                     1481.7(6)
_computing_cell_refinement       'Bruker APEX2 v2011.4-0'
_computing_data_collection       'Bruker APEX2 v2011.4-0'
_computing_data_reduction        'Bruker SAINT V7.60A'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    Sir2011
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 512
_diffrn_detector_type            'PILATUS 200K'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  '1/4chi goniometer'
_diffrn_measurement_method
;
 Fullsphere data collection, phi and omega scans
;
_diffrn_measurement_specimen_support 'magnetic support with MicroMount'
_diffrn_radiation_monochromator  'Confocal Max Flux optic'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0144
_diffrn_reflns_av_unetI/netI     0.0103
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            28725
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         36.327
_diffrn_reflns_theta_min         2.655
_diffrn_source                   'Microfocus rotating anode X-ray tube'
_diffrn_source_current           24
_diffrn_source_power             50
_diffrn_source_size              '0.2 mm x 0.2 mm fine focus'
_diffrn_source_type              'Rigaku MicroMax-007HF'
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.984
_exptl_absorpt_correction_T_min  0.757
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 SADABS Version 2008/1 Bruker-Nonius
 Blessing, Acta Cryst. (1995) A51 33-38
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.239
_exptl_crystal_description       Unknown
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.454
_refine_diff_density_min         -0.194
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details
;
 Flack x determined using 2962 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.35(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.135
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     184
_refine_ls_number_reflns         7137
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.135
_refine_ls_R_factor_all          0.0319
_refine_ls_R_factor_gt           0.0303
_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^)+(0.0479P)^2^+0.1535P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0832
_refine_ls_wR_factor_ref         0.0846
_reflns_Friedel_coverage         0.779
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.987
_reflns_number_gt                6927
_reflns_number_total             7137
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo6b01607_si_003.cif
_cod_data_source_block           RD-E044
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' 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_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               4037149
_shelx_estimated_absorpt_t_min   0.984
_shelx_estimated_absorpt_t_max   0.984
_shelxl_version_number           2014-3
_shelx_res_checksum              16196
_shelx_hkl_checksum              93619