Transannular dipolar cycloaddition as an approach towards the synthesis of the core ring system of the sarain alkaloids.
Franklin, Andrew I.; Bensa, David; Adams, Harry; Coldham, Iain; Organic & biomolecular chemistry 9 (2011) 1901–1907; doi:10.1039/C0OB01019G

data_7151726
_publ_section_title
;
 Transannular dipolar cycloaddition as an approach towards the
 synthesis of the core ring system of the sarain alkaloids.
;
_journal_issue                   6
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1901
_journal_page_last               1907
_journal_paper_doi               10.1039/C0OB01019G
_journal_volume                  9
_journal_year                    2011
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C8 H13 N O3'
_chemical_formula_sum            'C8 H13 N O3'
_chemical_formula_weight         171.19
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.144(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.0046(14)
_cell_length_b                   6.1040(14)
_cell_length_c                   12.099(3)
_cell_measurement_reflns_used    2328
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      54.642
_cell_measurement_theta_min      6.917
_cell_volume                     431.84(18)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 100
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker smart1000ccd'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0246
_diffrn_reflns_av_sigmaI/netI    0.0211
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4884
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         1.73
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.101
_exptl_absorpt_correction_T_max  0.9802
_exptl_absorpt_correction_T_min  0.9685
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             184
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.228
_refine_diff_density_min         -0.146
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.106
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         1080
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_all          0.0360
_refine_ls_R_factor_gt           0.0319
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0567P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0832
_refine_ls_wR_factor_ref         0.0855
_reflns_number_gt                986
_reflns_number_total             1080
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0OB01019G.TXT
_cod_data_source_block           oic1m
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_cell_volume        431.83(17)
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7151726