Chromium mediated reductive coupling of isonitrile forms unusual heterocycles.
Shen, Jingmei; Yap, Glenn P. A.; Theopold, Klaus H.; Journal of the American Chemical Society 136 (2014) 3382–3384; doi:10.1021/ja501291p

data_4121489
_publ_section_title
;
 Chromium mediated reductive coupling of isonitrile forms unusual
 heterocycles.
;
_journal_issue                   9
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3382
_journal_page_last               3384
_journal_paper_doi               10.1021/ja501291p
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C54 H80 Cr N6'
_chemical_formula_weight         865.24
_chemical_name_systematic
; 
 ? 
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           13
_space_group_name_Hall           '-P 2yc'
_space_group_name_H-M_alt        'P 1 2/c 1'
_symmetry_space_group_name_Hall  '-P 2yc'
_symmetry_space_group_name_H-M   'P 1 2/c 1'
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_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
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_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker AXS APEX diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'APEX2 (Bruker, 2007)'
_exptl_crystal_colour            red
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0702P)^2^+3.3031P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     'I > 2\s(I)'
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_shelx_estimated_absorpt_t_max   0.977
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