Preparation of spiro[imidazolidine-4,3'-indolin]-2'-imines via copper(i)-catalyzed formal [2 + 2 + 1] cycloaddition of 3-diazoindolin-2-imines and triazines.
Zhou, Yuxuan; Ma, Fanghui; Lu, Ping; Wang, Yanguang; Organic & biomolecular chemistry 17 (2019) 8849–8852; doi:10.1039/c9ob01767d

data_7157112
_publ_section_title
;
 Preparation of spiro[imidazolidine-4,3'-indolin]-2'-imines via
 copper(i)-catalyzed formal [2 + 2 + 1] cycloaddition of
 3-diazoindolin-2-imines and triazines.
;
_journal_issue                   39
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              8849
_journal_page_last               8852
_journal_paper_doi               10.1039/c9ob01767d
_journal_volume                  17
_journal_year                    2019
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C31 H28 F2 N4 O2 S, C4 H8 O2'
_chemical_formula_sum            'C35 H36 F2 N4 O4 S'
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Olex2 1.2
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2018-01-29 deposited with the CCDC.    2019-09-23 downloaded from the CCDC.
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CrysAlisPro, Agilent Technologies,
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
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CrysAlisPro, Agilent Technologies,
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  1 omega  -80.00   15.00   1.0000    6.0000
omega____ theta____ kappa____ phi______ frames
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  2 omega  -68.00   22.00   1.0000    6.0000
omega____ theta____ kappa____ phi______ frames
    -      -11.4683  -77.0000  -90.0000 90
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CrysAlisPro, Agilent Technologies,
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Empirical absorption correction using spherical harmonics,
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 Classical Flack method preferred over Parsons because s.u. lower.
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'w=1/[\s^2^(Fo^2^)+(0.0810P)^2^] where P=(Fo^2^+2Fc^2^)/3'
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_cod_depositor_comments          'Adding full bibliography for 7157112.cif.'
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_olex2_refinement_description
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1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
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2.a Secondary CH2 refined with riding coordinates:
 C9(H9A,H9B), C10(H10A,H10B), C30(H30A,H30B), C34(H34A,H34B)
2.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C4(H4), C12(H12), C13(H13), C15(H15), C16(H16),
 C18(H18), C19(H19), C21(H21), C22(H22), C24(H24), C25(H25), C27(H27), C28(H28)
2.c Idealised Me refined as rotating group:
 C29(H29A,H29B,H29C), C31(H31A,H31B,H31C), C32(H32A,H32B,H32C), C35(H35A,H35B,
 H35C)
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