Liquid Crystalline Solvents as Mechanistic Probes. VII. Investigation of a Photochromic Merocyanine to Indolinospiropyran Isomerization in the Isotropic and Smectic Phases of n-Butyl Stearate and in Polybutadiene Oligomers-Reference-Cited by-同舟云学术

Liquid Crystalline Solvents as Mechanistic Probes. VII. Investigation of a Photochromic Merocyanine to Indolinospiropyran Isomerization in the Isotropic and Smectic Phases of n-Butyl Stearate and in Polybutadiene Oligomers

Published:1982-02 Issue:1 Volume:80 Page:165-178
ISSN:0026-8941
Container-title:Molecular Crystals and Liquid Crystals
language:en
Short-container-title:Molecular Crystals and Liquid Crystals

Author:

Otruba Joseph P.¹,Weiss Richard G.¹

Affiliation:

1. a Department of Chemistry , Georgetown University , Washington , D.C. , 20057

Publisher

Informa UK Limited

Link

https://www.tandfonline.com/doi/pdf/10.1080/00268948208071029

Reference24 articles.

1. Photochromism and reversible multiple internal transitions in some spiroPyrans at low temperatures. Part II

2. Photo- and thermochromic transients from substituted 1',3',3'-trimethylindolinobenzospiropyrans

3. Other zwitterionic and valence bond resonance structures contribute to an accurate electronic picture of2. Regardless of which dominates,2is much more polar than1and exhibits the dipolar characteristics expected from the forms displayed in Scheme 1. An alternate mechanism for t -2- 1 circumvents c -2. Were this to occur, ktand k−twould refer to a direct t -2-1interconversion. The discussion which follows in this paper applies regardless of the mechanism followed. Scheme 1 is assumed

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