Uncovering diverse reactivity of NHCs with diazoalkane: C-H activation, C[double bond, length as m-dash]C bond formation, and access to N-heterocyclic methylenehydrazine.
Balayan, Kajal; Sharma, Himanshu; Vanka, Kumar; Gonnade, Rajesh G.; Sen, Sakya S.; Chemical science 15 (2024) 18387–18394; doi:10.1039/d4sc05740f

data_1572844
_publ_section_title
;
 Uncovering diverse reactivity of NHCs with diazoalkane: C-H activation,
 C[double bond, length as m-dash]C bond formation, and access to
 N-heterocyclic methylenehydrazine.
;
_journal_issue                   44
_journal_name_full               'Chemical science'
_journal_page_first              18387
_journal_page_last               18394
_journal_paper_doi               10.1039/d4sc05740f
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C32 H50 N4 Si'
_chemical_formula_sum            'C32 H50 N4 Si'
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_audit_update_record
;
2024-04-10 deposited with the CCDC.	2024-10-07 downloaded from the CCDC.
;
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_computing_cell_refinement       'SAINT (Bruker, 2016)'
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_diffrn_measurement_device       '\k-geometry diffractometer'
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_diffrn_radiation_monochromator  'multilayer mirrors'
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_diffrn_source                   'micro-focus sealed tube'
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_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            yellow
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_refine_ls_R_factor_all          0.0872
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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^)+(0.0915P)^2^+8.6655P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2307
_refine_ls_wR_factor_ref         0.2392
_reflns_Friedel_coverage         0.000
_reflns_number_gt                12501
_reflns_number_total             15012
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           mo_KB_6TMSCHN2_1_0m_a
_cod_depositor_comments
'Adding full bibliography for 1572840--1572853.cif.'
_cod_original_cell_volume        3144.5(7)
_cod_database_code               1572844
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.966
_shelx_estimated_absorpt_t_max   0.988
_shelx_res_checksum              47083
_shelx_hkl_checksum              71955