Simple and efficient synthesis of bicyclic enol-carbamates: access to brabantamides and their analogues
Záborský, Ondrej; Petrovičová, Ľudmila; Doháňošová, Jana; Moncol, Ján; Fischer, Róbert; RSC Advances 10 (2020) 6790–6793; doi:10.1039/D0RA00796J

data_7240051
_publ_section_title
;
 Simple and efficient synthesis of bicyclic enol-carbamates: access to
 brabantamides and their analogues
;
_journal_issue                   12
_journal_name_full               'RSC Advances'
_journal_page_first              6790
_journal_page_last               6793
_journal_paper_doi               10.1039/D0RA00796J
_journal_volume                  10
_journal_year                    2020
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C8 H9 N O4'
_chemical_formula_sum            'C8 H9 N O4'
_chemical_formula_weight         183.16
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-09-18
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-09-17 deposited with the CCDC.	2020-01-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.4200(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.57010(10)
_cell_length_b                   7.7138(2)
_cell_length_c                   11.0161(2)
_cell_measurement_reflns_used    61898
_cell_measurement_temperature    100
_cell_measurement_theta_max      72.08
_cell_measurement_theta_min      4.01
_cell_volume                     813.21(3)
_computing_cell_refinement
;
X-Area Recipe 1.33.0.0 (STOE, 2015)
;
_computing_data_collection
;
X-Area Pilatus3_SV 1.31.150.0 (STOE, 2018)
;
_computing_data_reduction
;
X-Area Integrate 1.73.1.0 (STOE, 2018)
X-Area LANA 1.73.2.0 (STOE, 2018)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material
;
STOE & Cie GmbH, X-Area, software package for collecting single-crystal or
multi-domain crystal data on STOE area-detector diffractometers, for image 
processing, for the correction and scaling of reflection intensities and 
for outlier rejection, version 1.84, Darmstadt 2018
;
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'Pilatus3R 300K'
_diffrn_detector_area_resol_mean 5.81
_diffrn_detector_type            'DECTRIS PILATUS3R 300K'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device       'Eulerian 4-circle diffractometer'
_diffrn_measurement_device_type  'Stoe Stadivari with Xenocs Genix3D Cu HF'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_collimation    '0.6 mm diameter'
_diffrn_radiation_monochromator  'Graded multilayer mirror'
_diffrn_radiation_polarisn_norm  270
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54186
_diffrn_reflns_av_R_equivalents  0.0168
_diffrn_reflns_av_unetI/netI     0.0071
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            38003
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.978
_diffrn_reflns_theta_full        67.686
_diffrn_reflns_theta_max         71.502
_diffrn_reflns_theta_min         4.013
_diffrn_source                   'Genix3D Cu HF'
_diffrn_source_current           0.600
_diffrn_source_power             0.030
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    1.040
_exptl_absorpt_correction_T_max  0.796
_exptl_absorpt_correction_T_min  0.353
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
STOE LANA, J. Koziskova, F. Hahn, J. Richter, J. Kozisek, 
Acta Chimica Slovaca, vol. 9, no. 2, 2016, pp. 136 - 140.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.496
_exptl_crystal_description       block
_exptl_crystal_F_000             384
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.220
_refine_diff_density_min         -0.153
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details
;
 Flack x determined using 1383 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.01(4)
_refine_ls_extinction_coef       0.0064(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     238
_refine_ls_number_reflns         3103
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0226
_refine_ls_R_factor_gt           0.0223
_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^)+(0.0323P)^2^+0.1775P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0577
_refine_ls_wR_factor_ref         0.0579
_reflns_Friedel_coverage         0.835
_reflns_Friedel_fraction_full    0.988
_reflns_Friedel_fraction_max     0.966
_reflns_number_gt                3074
_reflns_number_total             3103
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ra00796j2.cif
_cod_data_source_block           20
_cod_depositor_comments
'Adding full bibliography for 7240050--7240052.cif.'
_cod_database_code               7240051
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.894
_shelx_estimated_absorpt_t_min   0.774
_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 O(H) groups
2.a Ternary CH refined with riding coordinates:
 C5(H5), C13(H13)
2.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C4(H4A,H4B), C10(H10A,H10B), C11(H11A,H11B),
 C12(H12A,H12B)
2.c Aromatic/amide H refined with riding coordinates:
 C7(H7), C15(H15)
2.d Idealised tetrahedral OH refined as rotating group:
 O4(H4), O8(H8)
;
_shelx_res_checksum              89168
_olex2_submission_special_instructions 'No special instructions were received'