A concise synthesis of carpanone using solid-supported reagents and scavengers
Baxendale, Ian R.; Lee, Ai-Lan; Ley, Steven V.; Journal of the Chemical Society, Perkin Transactions 1  (2002) 1850–; doi:10.1039/b203388g

data_7204430
_publ_section_title
;
 A concise synthesis of carpanone using solid-supported reagents and
 scavengers
;
_journal_issue                   16
_journal_name_full
'Journal of the Chemical Society, Perkin Transactions 1'
_journal_page_first              1850
_journal_paper_doi               10.1039/b203388g
_journal_year                    2002
_chemical_formula_moiety         'C20 H18 O6'
_chemical_formula_sum            'C20 H18 O6'
_chemical_formula_weight         354.34
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'SHELXL-97 plus manual editing'
_cell_angle_alpha                90.00
_cell_angle_beta                 107.629(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.3846(4)
_cell_length_b                   27.9562(17)
_cell_length_c                   7.1987(4)
_cell_measurement_reflns_used    17352
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      1.00
_cell_volume                     1608.14(16)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius B.V. 1998)'
_computing_data_reduction
;
HKL Denzo and Scalepack (Otwinowski & Minor 1997)
;
_computing_publication_material  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 1997)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'Thin slice \w and \f 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  0.0463
_diffrn_reflns_av_sigmaI/netI    0.0560
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            8235
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         3.59
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.109
_exptl_absorpt_correction_T_max  0.992
_exptl_absorpt_correction_T_min  0.878
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav Blessing (1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.464
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.173
_refine_diff_density_min         -0.219
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         2752
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0631
_refine_ls_R_factor_gt           0.0406
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0359P)^2^+0.4036P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0873
_refine_ls_wR_factor_ref         0.0962
_reflns_number_gt                2092
_reflns_number_total             2752
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b203388g.txt
_cod_data_source_block
;
;
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 
;
_cod_original_cell_volume        1608.14(15)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7204430