Pseudo five component reaction towards densely functionalized spiro[indole-3,2'-pyrrole] by picric acid, an efficient syn-diastereoselective catalyst: insight into the diastereoselection on C(sp<sup>3</sup>)-C(sp<sup>3</sup>) axial conformation.
Sengupta, Ayon; Maity, Suvendu; Mondal, Animesh; Ghosh, Prasanta; Rudra, Sonali; Mukhopadhyay, Chhanda; Organic & biomolecular chemistry 17 (2019) 1254–1265; doi:10.1039/c8ob02849d

data_7156645
_publ_section_title
;
 Pseudo five component reaction towards densely functionalized
 spiro[indole-3,2'-pyrrole] by picric acid, an efficient
 syn-diastereoselective catalyst: insight into the diastereoselection on
 C(sp<sup>3</sup>)-C(sp<sup>3</sup>) axial conformation.
;
_journal_issue                   5
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1254
_journal_page_last               1265
_journal_paper_doi               10.1039/c8ob02849d
_journal_volume                  17
_journal_year                    2019
_chemical_formula_moiety         'C42 H40 N4 O6'
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_space_group_name_Hall           '-P 1'
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_symmetry_space_group_name_Hall  '-P 1'
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_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2018-05-30 deposited with the CCDC.
2019-01-10 downloaded from the CCDC.
;
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_diffrn_measurement_device_type  'Bruker APEX-II CCD'
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_refine_ls_R_factor_all          0.1522
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.1622P)^2^+1.1267P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         0.2905
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3618
_reflns_number_total             6446
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_depositor_comments
'Adding full bibliography for 7156645--7156647.cif.'
_cod_original_cell_volume        1829.99(10)
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