One-Pot Dehydrogenative Addition of Isopropyl to Alkynes Promoted by Osmium: Formation of γ-(η3-Allyl)-α-Alkenylphosphine Derivatives Starting from a Dihydride−Dihydrogen−Triisopropylphosphine Complex
Esteruelas, Miguel A.; Hernández, Yohar A.; López, Ana M.; Oliván, Montserrat; Oñate, Enrique; Organometallics 26 (2007) 2193–; doi:10.1021/om070004d

data_4072998
_publ_section_title
;
 One-Pot Dehydrogenative Addition of Isopropyl to Alkynes Promoted by
 Osmium:&#x00A0; Formation of \g-(\h3-Allyl)-\a-Alkenylphosphine
 Derivatives Starting from a
 Dihydride&#x2212;Dihydrogen&#x2212;Triisopropylphosphine Complex
;
_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              2193
_journal_paper_doi               10.1021/om070004d
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C23 H32 B F4 Os P'
_chemical_formula_weight         616.47
_chemical_name_systematic
; 
 ? 
;
_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                98.094(2)
_cell_angle_beta                 93.655(2)
_cell_angle_gamma                104.019(2)
_cell_formula_units_Z            2
_cell_length_a                   7.9073(12)
_cell_length_b                   11.2735(17)
_cell_length_c                   13.256(2)
_cell_measurement_reflns_used    979
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      3
_cell_volume                     1129.2(3)
_computing_cell_refinement       'SAINT+ v. 6.1 (Bruker AXS, 2000)'
_computing_data_collection       'SMART v. 5.625 (Bruker AXS, 2000)'
_computing_data_reduction        'SAINT+ v. 6.1 (Bruker AXS, 2000)'
_computing_molecular_graphics    'XP, SHELXTL v. 6.1 (Bruker, 2000)'
_computing_publication_material  'XCIF, SHELXTL v. 6.1 (Bruker, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.908
_diffrn_measurement_device_type  'Bruker SMART APEX CCD system'
_diffrn_measurement_method       '\w rotations with narrow frames'
_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  0.0339
_diffrn_reflns_av_sigmaI/netI    0.0618
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            14145
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         28.92
_diffrn_reflns_theta_min         1.56
_diffrn_standards_decay_%        'no decay'
_exptl_absorpt_coefficient_mu    5.758
_exptl_absorpt_correction_T_max  0.534
_exptl_absorpt_correction_T_min  0.374
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Absorption correction performed with SADABS program. This is based on the
method of Blessing: Blessing, R. H., Acta Crystallogr., Sect. A 1995, 51, 33.

SADABS: Area-Detector Absorption Correction. Bruker-AXS 
within SAINT+ package, v. 6.1 (2000).
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.813
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             604
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.681
_refine_diff_density_min         -0.766
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.910
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         5412
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.910
_refine_ls_R_factor_all          0.0375
_refine_ls_R_factor_gt           0.0280
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0199P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0538
_refine_ls_wR_factor_ref         0.0557
_reflns_number_gt                4634
_reflns_number_total             5412
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om070004dsi20070214_020603.cif
_cod_data_source_block           mae187as
_cod_original_cell_volume        1129.1(3)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4072998