Highly-functionalised difluorinated (hydroxymethyl)conduritol analogues via the Diels-Alder reactions of a difluorinated dienophile.
Arany, Andrea; Crowley, Patrick J.; Fawcett, John; Hursthouse, Michael B.; Kariuki, Benson M.; Light, Mark E.; Moralee, Andrew C.; Percy, Jonathan M.; Salafia, Vittoria; Organic & biomolecular chemistry 2 (2004) 455–465; doi:10.1039/b314314g

data_7150335
_publ_section_title
;
 Highly-functionalised difluorinated (hydroxymethyl)conduritol
 analogues via the Diels-Alder reactions of a difluorinated dienophile.
;
_journal_issue                   4
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              455
_journal_page_last               465
_journal_paper_doi               10.1039/b314314g
_journal_volume                  2
_journal_year                    2004
_chemical_formula_sum            'C14 H19 F2 N O5'
_chemical_formula_weight         319.30
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 116.70(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.3285(16)
_cell_length_b                   11.9385(11)
_cell_length_c                   17.5557(13)
_cell_measurement_reflns_used    351739
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     3057.4(12)
_computing_cell_refinement       'DENZO (Otwinowski and MInor, 1997)'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction        'DENZO, COLLECT, MAXUS (Mackay et al., 1998)'
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker Nonius Kappa CCD Area detector'
_diffrn_measurement_method       '\f and \w scans to fill the asymmetric unit'
_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  0.1526
_diffrn_reflns_av_sigmaI/netI    0.0940
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            37999
_diffrn_reflns_theta_full        24.95
_diffrn_reflns_theta_max         24.95
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    0.120
_exptl_absorpt_correction_T_max  0.9822
_exptl_absorpt_correction_T_min  0.9764
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1997)'
_exptl_crystal_density_diffrn    1.387
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1344
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.530
_refine_diff_density_min         -0.254
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.939
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     403
_refine_ls_number_reflns         5330
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.939
_refine_ls_R_factor_all          0.1446
_refine_ls_R_factor_gt           0.0595
_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^)+(0.0799P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1250
_refine_ls_wR_factor_ref         0.1588
_reflns_number_gt                2669
_reflns_number_total             5330
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b314314g.txt
_cod_data_source_block           12a
_cod_original_cell_volume        3057.4(5)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7150335