Carbocyclization Cascades of Allyl Ketenimines via Aza-Claisen Rearrangements of N-Phosphoryl-N-allyl-ynamides.
Dekorver, Kyle A.; Wang, Xiao-Na; Walton, Mary C.; Hsung, Richard P.; Organic letters 14 (2012) 1768–1771; doi:10.1021/ol300366e

data_1507571
_publ_section_title
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 Carbocyclization Cascades of Allyl Ketenimines via Aza-Claisen
 Rearrangements of N-Phosphoryl-N-allyl-ynamides.
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_journal_issue                   7
_journal_name_full               'Organic letters'
_journal_page_first              1768
_journal_page_last               1771
_journal_paper_doi               10.1021/ol300366e
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C18 H24 N O5 P'
_chemical_formula_sum            'C18 H24 N O5 P'
_chemical_formula_weight         365.35
_chemical_name_common            11275a
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 93.771(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.8692(15)
_cell_length_b                   5.7913(8)
_cell_length_c                   29.339(4)
_cell_measurement_reflns_used    2199
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      23.50
_cell_measurement_theta_min      2.41
_cell_volume                     1842.8(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0539
_diffrn_reflns_av_sigmaI/netI    0.0634
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            9591
_diffrn_reflns_theta_full        25.11
_diffrn_reflns_theta_max         25.11
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.177
_exptl_absorpt_correction_T_max  0.996
_exptl_absorpt_correction_T_min  0.983
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008/1)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.214
_refine_diff_density_min         -0.295
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     266
_refine_ls_number_reflns         3264
_refine_ls_number_restraints     33
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0949
_refine_ls_R_factor_gt           0.0475
_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^)+(0.0369P)^2^+0.8485P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0905
_refine_ls_wR_factor_ref         0.1097
_reflns_number_gt                2050
_reflns_number_total             3264
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol300366e_si_003.cif
_cod_data_source_block           11275a
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' 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_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1507571