PPh3-Catalyzed [3 + 2] Spiroannulation of 1C,3N-Bisnucleophiles Derived from Secondary β-Ketoamides with δ-Acetoxy Allenoate: A Route to Functionalized Spiro N-Heterocyclic Derivatives.
Xing, Jiaojiao; Lei, Yu; Gao, Yu-Ning; Shi, Min; Organic letters 19 (2017) 2382–2385; doi:10.1021/acs.orglett.7b00910

data_1545879
_publ_section_title
;
 PPh3-Catalyzed [3 + 2] Spiroannulation of 1C,3N-Bisnucleophiles Derived
 from Secondary \b-Ketoamides with \d-Acetoxy Allenoate: A Route to
 Functionalized Spiro N-Heterocyclic Derivatives.
;
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_journal_paper_doi               10.1021/acs.orglett.7b00910
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'w=1/[\s^2^(Fo^2^)+(0.0573P)^2^+0.4501P] where P=(Fo^2^+2Fc^2^)/3'
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'Adding full bibliography for 1545879--1545880.cif.'
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