Synthesis of allenamides by Pd-catalyzed coupling of 3-alkoxycarbonyloxy ynamides or 1-alkoxycarbonyloxy allenamides with arylboronic acids.
Cao, Jian; Kong, Yulong; Deng, Yuan; Lai, Guoqiao; Cui, Yuming; Hu, Ziqiang; Wang, Guanhai; Organic & biomolecular chemistry 10 (2012) 9556–9561; doi:10.1039/c2ob26727f

data_7152736
_publ_section_title
;
 Synthesis of allenamides by Pd-catalyzed coupling of 3-alkoxycarbonyloxy
 ynamides or 1-alkoxycarbonyloxy allenamides with arylboronic acids.
;
_journal_issue                   48
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              9556
_journal_page_last               9561
_journal_paper_doi               10.1039/c2ob26727f
_journal_volume                  10
_journal_year                    2012
_chemical_formula_sum            'C21 H23 N O5 S'
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_cell_angle_beta                 80.707(2)
_cell_angle_gamma                76.854(2)
_cell_formula_units_Z            4
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_cell_length_b                   11.5786(13)
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_computing_data_reduction        'Bruker SAINT'
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_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
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_diffrn_measurement_device_type  'Bruker APEX-II CCD'
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_diffrn_reflns_theta_full        25.20
_diffrn_reflns_theta_max         25.20
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_exptl_absorpt_coefficient_mu    0.182
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_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.250
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1016P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1459
_refine_ls_wR_factor_ref         0.1939
_reflns_number_gt                3823
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_cod_data_source_file            c2ob26727f.txt
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_cod_depositor_comments
;
The following automatic conversions were performed:

'_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        2133.5(4)
_cod_original_sg_symbol_H-M      p-1
_cod_database_code               7152736