A Stereospecific Total Synthesis of dl-Hexahydroapoerysopine
Fang, Da-Shu; Deng, Jun; Zheng, Jianfeng; Li, Wei-Dong Z.; Chemical Communications  (2022) –; doi:10.1039/D2CC01892F

data_7130060
_publ_section_title
;
 A Stereospecific Total Synthesis of dl-Hexahydroapoerysopine
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D2CC01892F
_journal_year                    2022
_chemical_formula_sum            'C18 H21 N O3'
_chemical_formula_weight         299.36
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2021-10-14 deposited with the CCDC.	2022-05-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 109.380(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.9211(6)
_cell_length_b                   7.5981(3)
_cell_length_c                   17.1600(10)
_cell_measurement_temperature    293(2)
_cell_volume                     1466.24(14)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.856
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0211
_diffrn_reflns_av_unetI/netI     0.0422
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.856
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            6366
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.856
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.072
_diffrn_reflns_theta_min         3.606
_exptl_absorpt_coefficient_mu    0.092
_exptl_crystal_density_diffrn    1.356
_exptl_crystal_F_000             640
_refine_diff_density_max         0.213
_refine_diff_density_min         -0.214
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         3374
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0799
_refine_ls_R_factor_gt           0.0545
_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^)+(0.0577P)^2^+0.6158P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1316
_refine_ls_wR_factor_ref         0.1509
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2421
_reflns_number_total             3374
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2cc01892f2.cif
_cod_data_source_block           20201214-dengjun-fds-20201104-1
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7130060
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              44857
_shelx_hkl_checksum              24960