Asymmetric nitroallylation of arylboronic acids with nitroallyl acetates catalyzed by chiral rhodium complexes and its application in a concise total synthesis of optically pure (+)-gamma-lycorane.
Dong, Lin; Xu, Yan-Jun; Cun, Lin-Feng; Cui, Xin; Mi, Ai-Qiao; Jiang, Yao-Zhong; Gong, Liu-Zhu; Organic letters 7 (2005) 4285–4288; doi:10.1021/ol051795n

data_1506714
_publ_section_title
;
 Asymmetric nitroallylation of arylboronic acids with nitroallyl acetates
 catalyzed by chiral rhodium complexes and its application in a concise
 total synthesis of optically pure (+)-gamma-lycorane.
;
_journal_issue                   19
_journal_name_full               'Organic letters'
_journal_page_first              4285
_journal_page_last               4288
_journal_paper_doi               10.1021/ol051795n
_journal_volume                  7
_journal_year                    2005
_chemical_formula_sum            'C12 H13 N O2'
_chemical_formula_weight         203.23
_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                   6.1206(5)
_cell_length_b                   12.592(1)
_cell_length_c                   14.007(1)
_cell_measurement_reflns_used    28
_cell_measurement_temperature    290(2)
_cell_measurement_theta_max      13.81
_cell_measurement_theta_min      2.17
_cell_volume                     1079.53(15)
_computing_cell_refinement       'Siemens XSCANS'
_computing_data_collection       'Siemens XSCANS'
_computing_data_reduction        'Siemens SHELXTL'
_computing_molecular_graphics    'Siemens SHELXTL'
_computing_publication_material  'Siemens SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      290(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0122
_diffrn_reflns_av_sigmaI/netI    0.0312
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -1
_diffrn_reflns_number            1483
_diffrn_reflns_theta_full        26.49
_diffrn_reflns_theta_max         26.49
_diffrn_reflns_theta_min         2.17
_diffrn_standards_decay_%        3.66
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.250
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.42
_refine_diff_density_max         0.094
_refine_diff_density_min         -0.079
_refine_diff_density_rms         0.022
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   2(2)
_refine_ls_extinction_coef       0.050(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.961
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         1380
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.961
_refine_ls_R_factor_all          0.0543
_refine_ls_R_factor_gt           0.0327
_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^)+(0.0310P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0652
_refine_ls_wR_factor_ref         0.0700
_reflns_number_gt                909
_reflns_number_total             1380
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol051795nsi20050816_102822.cif
_cod_data_source_block           y1846
_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_cell_volume        1079.57(12)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1506714