Serendipitously discovered diazomethane-mediated novel molecular rearrangements of norbornyl alpha-ketohemiketals.
Khan, Faiz Ahmed; Rao, G. Hari Mangeswara; Satapathy, Rashmirekha; Parasuraman, Karuppasamy; Organic letters 9 (2007) 1581–1584; doi:10.1021/ol070442g

data_1505376
_publ_section_title
;
 Serendipitously discovered diazomethane-mediated novel molecular
 rearrangements of norbornyl alpha-ketohemiketals.
;
_journal_issue                   8
_journal_name_full               'Organic letters'
_journal_page_first              1581
_journal_page_last               1584
_journal_paper_doi               10.1021/ol070442g
_journal_volume                  9
_journal_year                    2007
_chemical_formula_moiety         'C15 H22 Cl2 O5'
_chemical_formula_sum            'C15 H22 Cl2 O5'
_chemical_formula_weight         353.23
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                76.221(2)
_cell_angle_beta                 89.339(2)
_cell_angle_gamma                84.059(2)
_cell_formula_units_Z            2
_cell_length_a                   6.6275(6)
_cell_length_b                   8.0268(8)
_cell_length_c                   15.9888(16)
_cell_measurement_temperature    100
_cell_volume                     821.58(14)
_computing_cell_refinement       'SAINT 6.45 ( Bruker, 2003)'
_computing_data_collection       'SMART 5.628 (Bruker, 2003)'
_computing_data_reduction        'SAINT 6.45 ( Bruker, 2003)'
_computing_molecular_graphics    'Diamond 2.1'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-92
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.952
_diffrn_measured_fraction_theta_max 0.952
_diffrn_measurement_device_type  /w-scans
_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  0.0172
_diffrn_reflns_av_sigmaI/netI    0.0388
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            5525
_diffrn_reflns_theta_full        28.33
_diffrn_reflns_theta_max         28.33
_diffrn_reflns_theta_min         2.62
_diffrn_standards_decay_%        0.5
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.415
_exptl_absorpt_correction_T_max  0.9480
_exptl_absorpt_correction_T_min  0.9290
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.428
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             372
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.619
_refine_diff_density_min         -0.838
_refine_diff_density_rms         0.149
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         3901
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0707
_refine_ls_R_factor_gt           0.0503
_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^)+(0.0143P)^2^+4.7896P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1021
_refine_ls_wR_factor_ref         0.1491
_reflns_number_gt                3287
_reflns_number_total             3901
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol070442gsi20070221_084123.cif
_cod_data_source_block           5jandm
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 
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_cod_database_code               1505376