Efficient Access to Imidazo[1,2- a]pyridines/pyrazines/pyrimidines via Catalyst-Free Annulation Reaction under Microwave Irradiation in Green Solvent.
Rao, R. Nishanth; Mm, Balamurali; Maiti, Barnali; Thakuria, Ranjit; Chanda, Kaushik; ACS combinatorial science 20 (2018) 164–171; doi:10.1021/acscombsci.7b00173

data_4515838
_publ_section_title
;
 Efficient Access to Imidazo[1,2- a]pyridines/pyrazines/pyrimidines via
 Catalyst-Free Annulation Reaction under Microwave Irradiation in Green
 Solvent.
;
_journal_issue                   3
_journal_name_full               'ACS combinatorial science'
_journal_page_first              164
_journal_page_last               171
_journal_paper_doi               10.1021/acscombsci.7b00173
_journal_volume                  20
_journal_year                    2018
_chemical_formula_moiety         'C15 H14 N2 O'
_chemical_formula_sum            'C15 H14 N2 O'
_chemical_formula_weight         238.28
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_block_doi                 10.5517/ccdc.csd.cc1q5jbr
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_audit_update_record
;
2018-01-16 deposited with the CCDC.
2018-01-19 downloaded from the CCDC.
;
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_diffrn_measured_fraction_theta_max 0.989
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_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0438
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_diffrn_reflns_point_group_measured_fraction_full 0.998
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_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0864P)^2^+1.1036P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_number_gt                1995
_reflns_number_total             2930
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            co7b00173_si_002.cif
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_cod_original_cell_volume        1224.7(3)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4515838
_shelx_shelxl_version_number     2016/6
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_exptl_absorpt_special_details   'Bruker AXS SADABS program'
_shelx_res_checksum              91241
_shelx_hkl_checksum              7041