Lewis Acid-Mediated Reactions of 1-Cyclopropyl-2-arylethanone Derivatives with Allenic Ester, Ethyl Acetoacetate, and Methyl Acrylate
Min Shi; Xiang-Ying Tang; Yong-Hua Yang; Journal of Organic Chemistry 73 (2008) 5311–5318; doi:10.1021/jo800608h

data_4023547
_publ_section_title
;
 Lewis Acid-Mediated Reactions of 1-Cyclopropyl-2-arylethanone
 Derivatives with Allenic Ester, Ethyl Acetoacetate,
 and Methyl Acrylate
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5311
_journal_page_last               5318
_journal_paper_doi               10.1021/jo800608h
_journal_volume                  73
_journal_year                    2008
_chemical_formula_sum            'C22 H20 O2'
_chemical_formula_weight         316.38
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                97.147(3)
_cell_angle_beta                 93.320(3)
_cell_angle_gamma                100.103(3)
_cell_formula_units_Z            4
_cell_length_a                   7.7748(12)
_cell_length_b                   12.836(2)
_cell_length_c                   17.963(3)
_cell_measurement_reflns_used    1385
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      42.223
_cell_measurement_theta_min      4.586
_cell_volume                     1745.3(5)
_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 0.987
_diffrn_measured_fraction_theta_max 0.987
_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  0.1214
_diffrn_reflns_av_sigmaI/netI    0.1350
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            9333
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7783
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.204
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.456
_exptl_crystal_size_mid          0.340
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.253
_refine_diff_density_min         -0.278
_refine_diff_density_rms         0.065
_refine_ls_extinction_coef       0.0040(9)
_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   0.827
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     438
_refine_ls_number_reflns         6435
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.827
_refine_ls_R_factor_all          0.1216
_refine_ls_R_factor_gt           0.0664
_refine_ls_shift/su_max          0.048
_refine_ls_shift/su_mean         0.006
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0715P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1527
_refine_ls_wR_factor_ref         0.1807
_reflns_number_gt                3149
_reflns_number_total             6435
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo800608h-File001.cif
_cod_data_source_block           cd2855
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_database_code               4023547