Erratum: Convenient Synthesis of Triphenylphosphanylidene Spiro[cyclopentane-1,3′-indolines] and Spiro[cyclopent[2]ene-1,3′-indolines] via Three-Component Reactions (Organic Letters (2014)16 :10 (2654-2657) DOI: 10.1021/ol5008394)

Full text of DOI:10.1021/acs.orglett.5b02956

Addition/Correction
pubs.acs.org/OrgLett
Correction to “Convenient Synthesis of Triphenylphosphanylidene
Spiro[cyclopentane-1,3′-indolines] and Spiro[cyclopent[2]ene-1,3′-
indolines] via Three-Component Reactions”
Ying Han, Yin-Jian Sheng, and Chao-Guo Yan*
Org. Lett. 2014, 16 (10), 26542657. DOI: 10.1021/ol5008394
S
* Supporting Information
misinterpretation of the CIF file for 2g shown in Figure 2
Acaused incorrect structures to be reported for compounds
2a−k.
Abstract, captions for Table 2 and Scheme 2, and all
mentions in the text. The compound name should be changed
ASSOCIATED CONTENT
* Supporting Information
The Supporting Information is available free of charge on the
ACS Publications website at DOI: 10.1021/acs.or-
glett.5b02956.
from spiro[cyclopent[2]ene-1,3′-indolines] to spiro[cyclopent-
[3]ene-1,3′-indolines].
Page 2656, column 1. The text should read, “At first, the
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S
addition of triphenylphosphine to hex-2-en-4-ynedioate gives
intermediate E. Second, the addition of 1,3-dipolar zwitterio-
nate (E) to isatinylidene malononitrile produces adduct F.
Third, the intramolecular Michael addition of the carbanion to
the 1,3-diene bearing a stronger electron-withdrawing triphe-
nylphosphanyl cationin adduct F affords a cyclized intermediate
(G), which in turn transfers to a phosphorus ylide intermediate
(H) by allylic arrangement of carbanion. Finally, the
phosphorus ylide transfers to the triphenylphosphanylidene
Revised version of the SI containing corrected
compound names and structures for 2a−k (PDF)
spiro[cyclopent[3]ene-1,3′-indoline] 2.”
The correct product for the reaction in Table 2 is shown:
The reaction mechanism in Scheme 2 is corrected as follows:
The correct product for the Table of Contents and Abstract
graphic is shown:
Received: October 12, 2015
© XXXX American Chemical Society
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DOI: 10.1021/acs.orglett.5b02956
Org. Lett. XXXX, XXX, XXX−XXX