Ring-expansion of tertiary cyclic alpha-vinylamines by tandem conjugate addition to (p-toluenesulfonyl)ethyne and formal 3-aza-Cope rearrangement.
Weston, Mitchell H.; Nakajima, Katsumasa; Parvez, Masood; Back, Thomas G.; Chemical communications (Cambridge, England)  (2006) 3903–3905; doi:10.1039/b607713g

data_7113334
_publ_section_title
;
 Ring-expansion of tertiary cyclic alpha-vinylamines by tandem conjugate
 addition to (p-toluenesulfonyl)ethyne and formal 3-aza-Cope
 rearrangement.
;
_journal_issue                   37
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              3903
_journal_page_last               3905
_journal_paper_doi               10.1039/b607713g
_journal_year                    2006
_chemical_formula_sum            'C23 H27 N O2 S'
_chemical_formula_weight         381.52
_chemical_name_systematic
;
?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   17.003(4)
_cell_length_b                   11.331(4)
_cell_length_c                   21.365(7)
_cell_measurement_reflns_used    8795
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      3.9
_cell_volume                     4116(2)
_computing_cell_refinement       'HKL DENZO (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction        'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SAPI91 (Fan, 1991)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       ' \w and \f '
_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  0.0224
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_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            8795
_diffrn_reflns_theta_full        27.44
_diffrn_reflns_theta_max         27.44
_diffrn_reflns_theta_min         3.91
_exptl_absorpt_coefficient_mu    0.175
_exptl_absorpt_correction_T_max  0.9794
_exptl_absorpt_correction_T_min  0.9693
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV: (Blessing, 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.231
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1632
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.420
_refine_diff_density_min         -0.327
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.985
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         4661
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.985
_refine_ls_R_factor_all          0.0610
_refine_ls_R_factor_gt           0.0430
_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^)+(0.0560P)^2^+2.2000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1052
_refine_ls_wR_factor_ref         0.1181
_reflns_number_gt                3640
_reflns_number_total             4661
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b607713g.txt
_cod_data_source_block           Compound_I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               7113334