An X-(X = I, Br)-Triggered Ring-Opening Cyclization of Cyclopropenyl-Substituted Alkyl Halides or Mesylates: An Efficient and Highly Regio- and Stereoselective Approach to (E)-Haloalkylidene 4-7-Membered Cyclic Compounds
Jie Chen; Shengming Ma; Journal of Organic Chemistry 74 (2009) 5595–5598; doi:10.1021/jo900389m

data_4024658
_publ_section_title
;
An X-(X = I, Br)-Triggered Ring-Opening Cyclization of
Cyclopropenyl-Substituted Alkyl Halides or Mesylates: An Efficient and
Highly Regio- and Stereoselective Approach to (E)-Haloalkylidene
4-7-Membered Cyclic Compounds
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_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5595
_journal_page_last               5598
_journal_paper_doi               10.1021/jo900389m
_journal_volume                  74
_journal_year                    2009
_chemical_formula_sum            'C12 H17 I O4'
_chemical_formula_weight         352.16
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 95.994(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.2163(9)
_cell_length_b                   13.1526(15)
_cell_length_c                   12.5835(14)
_cell_measurement_reflns_used    4422
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      46.481
_cell_measurement_theta_min      5.662
_cell_volume                     1352.4(3)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0900
_diffrn_reflns_av_sigmaI/netI    0.0605
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7777
_diffrn_reflns_theta_full        26.98
_diffrn_reflns_theta_max         26.98
_diffrn_reflns_theta_min         2.25
_exptl_absorpt_coefficient_mu    2.369
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7192
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.730
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.503
_exptl_crystal_size_mid          0.457
_exptl_crystal_size_min          0.401
_refine_diff_density_max         0.949
_refine_diff_density_min         -1.567
_refine_diff_density_rms         0.145
_refine_ls_extinction_coef       0.092(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         2944
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0460
_refine_ls_R_factor_gt           0.0416
_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^)+(0.0677P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1048
_refine_ls_wR_factor_ref         0.1075
_reflns_number_gt                2565
_reflns_number_total             2944
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo900389m_si_002.cif
_cod_data_source_block           cd27267
_cod_depositor_comments
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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 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4024658