Practical syntheses of proposed and revised manzacidin B and their congeners.
Sankar, Kuppusamy; Rahman, Hasibur; Das, Pragna P.; Bhimireddy, Eswar; Sridhar, B.; Mohapatra, Debendra K.; Organic letters 14 (2012) 1082–1085; doi:10.1021/ol203466m

data_1503617
_publ_section_title
;
 Practical syntheses of proposed and revised manzacidin B and their
 congeners.
;
_journal_issue                   4
_journal_name_full               'Organic letters'
_journal_page_first              1082
_journal_page_last               1085
_journal_paper_doi               10.1021/ol203466m
_journal_volume                  14
_journal_year                    2012
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C14 H25 N O5'
_chemical_formula_sum            'C14 H25 N O5'
_chemical_formula_weight         287.35
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_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
_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            4
_cell_length_a                   9.8718(7)
_cell_length_b                   10.0720(8)
_cell_length_c                   16.2663(12)
_cell_measurement_reflns_used    9367
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      27.38
_cell_measurement_theta_min      2.38
_cell_volume                     1617.3(2)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL/PC (Sheldrick, 1990)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'Bruker SMART APEX CCD area-detector'
_diffrn_measurement_device_type  'CCD Area Detector'
_diffrn_measurement_method       '\w scan'
_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  0.0322
_diffrn_reflns_av_sigmaI/netI    0.0179
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            14842
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.38
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.180
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.197
_refine_diff_density_min         -0.186
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.211
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         1636
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.212
_refine_ls_R_factor_all          0.0553
_refine_ls_R_factor_gt           0.0545
_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^)+(0.0950P)^2^+0.5921P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1793
_refine_ls_wR_factor_ref         0.1799
_reflns_number_gt                1590
_reflns_number_total             1636
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol203466m_si_005.cif
_cod_data_source_block           ae75m
_cod_database_code               1503617