Synthesis of Spiro[oxindole-3,2'-pyrrolidine] Derivatives from Benzynes and Azomethine Ylides through 1,3-Dipolar Cycloaddition Reactions.
Ryu, Heesun; Seo, Jeongseob; Ko, Haye Min; The Journal of organic chemistry 83 (2018) 14102–14109; doi:10.1021/acs.joc.8b02117

data_4034893
_publ_section_title
;
 Synthesis of Spiro[oxindole-3,2'-pyrrolidine] Derivatives from Benzynes
 and Azomethine Ylides through 1,3-Dipolar Cycloaddition Reactions.
;
_journal_issue                   22
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              14102
_journal_page_last               14109
_journal_paper_doi               10.1021/acs.joc.8b02117
_journal_volume                  83
_journal_year                    2018
_chemical_formula_moiety         'C17 H13 F3 N2 O'
_chemical_formula_sum            'C17 H13 F3 N2 O'
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_space_group_name_H-M_alt        'P b c a'
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_diffrn_reflns_Laue_measured_fraction_full 0.999
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
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_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0582
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_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0469P)^2^+1.1717P] 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_min   0.936
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