Synthesis of structural analogues of Reversan by ester aminolysis: an access to pyrazolo[1,5-a]pyrimidines from chalcones
Arias-Gómez, Andres; Macías, Mario A.; Portilla, Jaime; RSC Advances 13 (2023) 16377–16386; doi:10.1039/D3RA02553E

data_7246859
_publ_section_title
;
 Synthesis of structural analogues of Reversan by ester aminolysis: an
 access to pyrazolo[1,5-a]pyrimidines from chalcones
;
_journal_issue                   24
_journal_name_full               'RSC Advances'
_journal_page_first              16377
_journal_page_last               16386
_journal_paper_doi               10.1039/D3RA02553E
_journal_volume                  13
_journal_year                    2023
_chemical_formula_sum            'C22 H20 N4 O'
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_audit_update_record
;
2023-03-16 deposited with the CCDC.	2023-05-17 downloaded from the CCDC.
;
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;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
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_diffrn_measurement_device       'four-circle diffractometer'
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_diffrn_radiation_type           CuK\a
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_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -27
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'SuperNova (Cu) micro-focus sealed X-ray Source'
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;
CrysAlisPro 1.171.41.119a (Rigaku Oxford Diffraction, 2021)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_density_diffrn    1.266
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0771P)^2^+3.2986P] 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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_cod_data_source_block           5a
_cod_original_cell_volume        7478.1(11)
_cod_original_sg_symbol_H-M      'I 41/a'
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_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.883
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_shelx_res_checksum              65103