Gold-Catalyzed Diastereoselective Formal Intermolecular [4 + 2 + 1] Cycloaddition of 1,3-Dien-8-yne with Diazo Ester.
Wang, Yu-Jiang; Li, Xiao-Xiao; Chen, Zili; The Journal of organic chemistry  (2020) –; doi:10.1021/acs.joc.0c00146

data_4038484
_publ_section_title
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 Gold-Catalyzed Diastereoselective Formal Intermolecular [4 + 2 + 1]
 Cycloaddition of 1,3-Dien-8-yne with Diazo Ester.
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_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.0c00146
_journal_year                    2020
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C17 H18 O3'
_chemical_formula_sum            'C17 H18 O3'
_chemical_formula_weight         270.31
_space_group_crystal_system      hexagonal
_space_group_IT_number           169
_space_group_name_Hall           'P 61'
_space_group_name_H-M_alt        'P 61'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_date             2018-06-19
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.18 svn.r3508 for OlexSys, GUI svn.r5497)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            6
_cell_length_a                   8.6843(6)
_cell_length_b                   8.6843(6)
_cell_length_c                   32.226(3)
_cell_measurement_reflns_used    2791
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      24.942
_cell_measurement_theta_min      2.708
_cell_volume                     2104.8(3)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_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      199.99
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0426
_diffrn_reflns_av_unetI/netI     0.0581
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            6996
_diffrn_reflns_theta_full        27.43
_diffrn_reflns_theta_max         27.43
_diffrn_reflns_theta_min         2.71
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6697
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1181 before and 0.0538 after correction. The Ratio of minimum to maximum transmission is 0.8983. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.280
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.161
_refine_diff_density_min         -0.180
_refine_diff_density_rms         0.038
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.6(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2720
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.087
_refine_ls_R_factor_all          0.0764
_refine_ls_R_factor_gt           0.0507
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0391P)^2^+0.3182P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0984
_refine_ls_wR_factor_ref         0.1073
_reflns_number_gt                2093
_reflns_number_total             2720
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0c00146_si_002.cif
_cod_data_source_block           mo_czl2018061401_0m
_cod_database_code               4038484
_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:
 C00E(H00F)
2.b Secondary CH2 refined with riding coordinates:
 C009(H00A,H00B), C00G(H00H,H00I), C00I(H00K,H00L)
2.c Aromatic/amide H refined with riding coordinates:
 C004(H004), C006(H006), C00B(H00C), C00C(H00D), C00D(H00E), C00F(H00G),
 C00H(H00J), C00K(H00P)
2.d Idealised Me refined as rotating group:
 C00J(H00M,H00N,H00O)
;
_olex2_submission_special_instructions 'No special instructions were received'