Desmethyl Macrolides: Synthesis and Evaluation of 4,10-Didesmethyl Telithromycin.
Velvadapu, Venkata; Glassford, Ian; Lee, Miseon; Paul, Tapas; Debrosse, Charles; Klepacki, Dorota; Small, Meagan C.; Mackerell, Jr, Alexander D; Andrade, Rodrigo B.; ACS medicinal chemistry letters 3 (2012) 211–215; doi:10.1021/ml200254h

data_4505636
_publ_section_title
;
 Desmethyl Macrolides: Synthesis and Evaluation of 4,10-Didesmethyl
 Telithromycin.
;
_journal_issue                   3
_journal_name_full               'ACS medicinal chemistry letters'
_journal_page_first              211
_journal_page_last               215
_journal_paper_doi               10.1021/ml200254h
_journal_volume                  3
_journal_year                    2012
_chemical_formula_sum            'C26 H29 F3 O6'
_chemical_formula_weight         494.49
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.2195(17)
_cell_length_b                   12.224(3)
_cell_length_c                   28.170(6)
_cell_measurement_temperature    213(1)
_cell_volume                     2486.0(10)
_computing_data_collection       'CrystalClear (Rigaku, 1999)'
_computing_data_reduction        'CrystalClear (Rigaku, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare, 1999)'
_diffrn_ambient_temperature      213(1)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       'CCD Area Detector'
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       'phi and omega rotations'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0229
_diffrn_reflns_av_sigmaI/netI    0.0349
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            9616
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.89
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7532
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.321
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.131
_refine_diff_density_min         -0.230
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.7(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     320
_refine_ls_number_reflns         4369
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0429
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0595P)^2^+0.0150P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0991
_refine_ls_wR_factor_ref         0.1101
_reflns_number_gt                3680
_reflns_number_total             4369
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ml200254h_si_002.cif
_cod_data_source_block           shelxl
_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 

 Adding full bibliography for 4505636.cif.
;
_cod_original_cell_volume        2486.0(9)
_cod_original_sg_symbol_H-M      'P 21 21 21 '
_cod_database_code               4505636