Formal synthesis of (+/-)-platensimycin.
Zou, Yefen; Chen, Chun-Hsing; Taylor, Christopher D.; Foxman, Bruce M.; Snider, Barry B.; Organic letters 9 (2007) 1825–1828; doi:10.1021/ol070563g

data_1505394
_publ_section_title
;
 Formal synthesis of (+/-)-platensimycin.
;
_journal_issue                   9
_journal_name_full               'Organic letters'
_journal_page_first              1825
_journal_page_last               1828
_journal_paper_doi               10.1021/ol070563g
_journal_volume                  9
_journal_year                    2007
_chemical_formula_moiety         'C13 H16 O2'
_chemical_formula_sum            'C13 H16 O2'
_chemical_formula_weight         204.27
_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
_audit_creation_date             06-10-23
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_cell_angle_beta                 90.50(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   7.2250(14)
_cell_length_b                   12.294(3)
_cell_length_c                   24.673(5)
_cell_measurement_reflns_used    6909
_cell_measurement_temperature    120
_cell_measurement_theta_max      30
_cell_measurement_theta_min      3
_cell_volume                     2191.5(8)
_computing_cell_refinement       'SAINT (Siemens ,1995)'
_computing_data_collection       'SMART (Siemens, 1993)'
_computing_data_reduction        'SAINT (Siemens ,1995)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      120
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'KappaCCD ApexII'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.031
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -34
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_diffrn_reflns_theta_full        30.010
_diffrn_reflns_theta_max         30.010
_diffrn_reflns_theta_min         1.851
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.97
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.238
_exptl_crystal_description       prism
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.39
_exptl_crystal_size_min          0.31
_refine_diff_density_max         0.42
_refine_diff_density_min         -0.25
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   0.8545
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     399
_refine_ls_number_reflns         6356
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0582
_refine_ls_R_factor_gt           0.0409
_refine_ls_shift/su_max          0.000920
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method= Modified Sheldrick 
 w=1/[\s^2^(F^2^) + ( 0.06P)^2^ + 0.00P] 
 ,where P=(max(Fo^2^,0) + 2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1027
_refine_ls_wR_factor_gt          0.0975
_refine_ls_wR_factor_ref         0.1027
_reflns_limit_h_max              10
_reflns_limit_h_min              -10
_reflns_limit_k_max              17
_reflns_limit_k_min              0
_reflns_limit_l_max              34
_reflns_limit_l_min              0
_reflns_number_gt                4555
_reflns_number_total             6373
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   0.00
_oxford_diffrn_Wilson_scale      0.00
_oxford_refine_ls_scale          0.5533(8)
_oxford_structure_analysis_title 'yz7 in P2(1)/n'
_cod_data_source_file            ol070563gsi20070306_054146.cif
_cod_data_source_block           CRYSTALS_yz7_63_tt49_132
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 1 21/n 1 '
_cod_database_code               1505394