Synthesis of the reported structure of pogostol and a total aynthesis of (+/-)-kessane without the use of protecting groups.
Booker-Milburn, Kevin I; Jenkins, Helen; Charmant, Jonathan P. H.; Mohr, Peter; Organic letters 5 (2003) 3309–3312; doi:10.1021/ol035373u

data_1507368
_publ_section_title
;
 Synthesis of the reported structure of pogostol and a total aynthesis of
 (+/-)-kessane without the use of protecting groups.
;
_journal_issue                   18
_journal_name_full               'Organic letters'
_journal_page_first              3309
_journal_page_last               3312
_journal_paper_doi               10.1021/ol035373u
_journal_volume                  5
_journal_year                    2003
_chemical_formula_moiety         'C19 H25 N O5'
_chemical_formula_sum            'C19 H25 N O5'
_chemical_formula_weight         347.40
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   12.774(7)
_cell_length_b                   10.955(4)
_cell_length_c                   25.097(9)
_cell_measurement_reflns_used    1199
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      18.93
_cell_measurement_theta_min      2.94
_cell_volume                     3512(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'frames, each covering 0.3 \% in \w'
_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  0.0796
_diffrn_reflns_av_sigmaI/netI    0.0521
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            18382
_diffrn_reflns_theta_full        24.49
_diffrn_reflns_theta_max         24.49
_diffrn_reflns_theta_min         1.62
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.870
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.314
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1488
_exptl_crystal_size_max          0.70
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.167
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         2922
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0730
_refine_ls_R_factor_gt           0.0473
_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^)+(0.0325P)^2^+1.7260P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.1008
_reflns_number_gt                2161
_reflns_number_total             2922
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ol035373usi20030723_034843.cif
_cod_data_source_block           hj3421aa
_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.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               1507368