Synthesis of amido-spiro[2.2]pentanes via Simmons–Smith cyclopropanation of allenamides
Lu, Ting; Hayashi, Ryuji; Hsung, Richard P.; DeKorver, Kyle A.; Lohse, Andrew G.; Song, Zhenlei; Tang, Yu; Organic & Biomolecular Chemistry 7 (2009) 3331–3337; doi:10.1039/b908205k

data_7150715
_publ_section_title
;
 Synthesis of amido-spiro[2.2]pentanes via Simmons--Smith
 cyclopropanation of allenamides
;
_journal_issue                   16
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_page_first              3331
_journal_page_last               3337
_journal_paper_doi               10.1039/b908205k
_journal_volume                  7
_journal_year                    2009
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C14 H15 N O2'
_chemical_formula_sum            'C14 H15 N O2'
_chemical_formula_weight         229.27
_chemical_name_common            08086t
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.4331(18)
_cell_length_b                   11.657(3)
_cell_length_c                   15.860(4)
_cell_measurement_reflns_used    3152
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.74
_cell_measurement_theta_min      2.17
_cell_volume                     1189.4(5)
_computing_cell_refinement       'SAINT, Bruker'
_computing_data_collection       'SMART, Bruker'
_computing_data_reduction        'SAINT, Bruker'
_computing_molecular_graphics    'SHELXTL, Bruker'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART Platform CCD'
_diffrn_measurement_method       'area detector, omega scans per phi'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0299
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1265
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9915
_exptl_absorpt_correction_T_min  0.9584
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'TWINABS, G. Sheldrick, 2008'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.280
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             488
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.129
_refine_diff_density_min         -0.161
_refine_diff_density_rms         0.034
_refine_ls_abs_structure_details
'Flack H D (1983), 862 Friedel Pairs, Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   5(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         1265
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0416
_refine_ls_R_factor_gt           0.0329
_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^)+(0.0359P)^2^+0.2543P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0756
_refine_ls_wR_factor_ref         0.0815
_reflns_number_gt                1114
_reflns_number_total             1265
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b908205k.txt
_cod_data_source_block           08086t
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed
to 'multi-scan' 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 
;
_cod_original_cell_volume        1189.4(6)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7150715