N-Substitution dependent stereoselectivity switch in palladium catalyzed hydroalkynylation of ynamides: a regio and stereoselective synthesis of ynenamides.
Dwivedi, Vikas; Hari Babu, Madala; Kant, Ruchir; Sridhar Reddy, Maddi; Chemical communications (Cambridge, England) 51 (2015) 14996–14999; doi:10.1039/c5cc06251a

data_7117894
_publ_section_title
;
 N-Substitution dependent stereoselectivity switch in palladium catalyzed
 hydroalkynylation of ynamides: a regio and stereoselective synthesis of
 ynenamides.
;
_journal_issue                   81
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              14996
_journal_page_last               14999
_journal_paper_doi               10.1039/c5cc06251a
_journal_volume                  51
_journal_year                    2015
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C25 H17 N O'
_chemical_formula_sum            'C25 H17 N O'
_chemical_formula_weight         347.40
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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_update_record
;
2015-07-23 deposited with the CCDC.
2015-08-11 downloaded from the CCDC.
;
_cell_angle_alpha                76.422(6)
_cell_angle_beta                 87.715(8)
_cell_angle_gamma                74.476(6)
_cell_formula_units_Z            2
_cell_length_a                   6.4707(11)
_cell_length_b                   11.8959(19)
_cell_length_c                   12.415(2)
_cell_measurement_reflns_used    1376
_cell_measurement_temperature    100
_cell_measurement_theta_max      25.4
_cell_measurement_theta_min      3.3
_cell_volume                     894.8(3)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.1 b24 (Rigaku, 2012)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.1 b24 (Rigaku, 2012)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.1 b24 (Rigaku, 2012)
;
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100
_diffrn_detector                 CCD
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.935
_diffrn_measured_fraction_theta_max 0.935
_diffrn_measurement_device
;
AFC12 (Right): Kappa 3 circle
;
_diffrn_measurement_device_type
;
Rigaku Saturn724+ (4x4 bin mode)
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support Fiber
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0480
_diffrn_reflns_av_sigmaI/netI    0.0557
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6200
_diffrn_reflns_theta_full        25.37
_diffrn_reflns_theta_max         25.37
_diffrn_reflns_theta_min         3.27
_diffrn_source                   MicroMax003_Mo
_diffrn_source_current           0.6
_diffrn_source_power             0.0
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.971
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.289
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             364
_exptl_crystal_size_max          0.380
_exptl_crystal_size_mid          0.340
_exptl_crystal_size_min          0.240
_refine_diff_density_max         0.260
_refine_diff_density_min         -0.285
_refine_diff_density_rms         0.064
_refine_ls_extinction_coef       0.094(8)
_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   0.980
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         3064
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.980
_refine_ls_R_factor_all          0.0512
_refine_ls_R_factor_gt           0.0453
_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^)+(0.0632P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1086
_refine_ls_wR_factor_ref         0.1115
_reflns_number_gt                2523
_reflns_number_total             3064
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc06251a2.cif
_cod_data_source_block           xxx
_cod_depositor_comments
;
The following automatic conversions were performed:

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

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_refine_ls_hydrogen_treatment' value 'Constr' changed to 'constr'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/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 3271 2015-04-21 07:52:19Z andrius 
;
_cod_database_code               7117894