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The synthesis of cholest-5-ene-3 beta-carboxylates and a comparison of their mesomorphic behaviour with isomeric cholesterol esters with a reversed ester linkage

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The synthesis of cholest-5-ene-3 beta-carboxylates and a comparison of their mesomorphic behaviour with isomeric cholesterol esters with a reversed ester linkage. / Harwood, S M ; Toyne, K J ; Goodby, J W ; Parsley, M ; Gray, G W .

In: LIQUID CRYSTALS, Vol. 27, No. 4, 04.2000, p. 443-449.

Research output: Contribution to journalArticle

Harvard

Harwood, SM, Toyne, KJ, Goodby, JW, Parsley, M & Gray, GW 2000, 'The synthesis of cholest-5-ene-3 beta-carboxylates and a comparison of their mesomorphic behaviour with isomeric cholesterol esters with a reversed ester linkage', LIQUID CRYSTALS, vol. 27, no. 4, pp. 443-449.

APA

Harwood, S. M., Toyne, K. J., Goodby, J. W., Parsley, M., & Gray, G. W. (2000). The synthesis of cholest-5-ene-3 beta-carboxylates and a comparison of their mesomorphic behaviour with isomeric cholesterol esters with a reversed ester linkage. LIQUID CRYSTALS, 27(4), 443-449.

Vancouver

Harwood SM, Toyne KJ, Goodby JW, Parsley M, Gray GW. The synthesis of cholest-5-ene-3 beta-carboxylates and a comparison of their mesomorphic behaviour with isomeric cholesterol esters with a reversed ester linkage. LIQUID CRYSTALS. 2000 Apr;27(4):443-449.

Author

Harwood, S M ; Toyne, K J ; Goodby, J W ; Parsley, M ; Gray, G W . / The synthesis of cholest-5-ene-3 beta-carboxylates and a comparison of their mesomorphic behaviour with isomeric cholesterol esters with a reversed ester linkage. In: LIQUID CRYSTALS. 2000 ; Vol. 27, No. 4. pp. 443-449.

Bibtex - Download

@article{2dc317cb3b6e4acdafd57536092ca437,
title = "The synthesis of cholest-5-ene-3 beta-carboxylates and a comparison of their mesomorphic behaviour with isomeric cholesterol esters with a reversed ester linkage",
abstract = "The syntheses of seven esters of cholest-5-ene-3 beta-carboxylic acid are reported and the melting points, transition temperatures and mesophase morphologies of the esters are compared with those of the isomeric 3 beta-cholesterol compounds which have the ester link reversed. For the examples reported, the cholest-5-ene-3 beta-carboxlates always have significantly lower melting points, but the differences in clearing temperatures for the two series of esters are usually much less. Several of the new compounds give an increased chiral nematic phase range and an intense selective reflection of light. They therefore represent a novel type of chiral nematic material for use in thermochromic applications.",
author = "Harwood, {S M} and Toyne, {K J} and Goodby, {J W} and M Parsley and Gray, {G W}",
year = "2000",
month = "4",
language = "English",
volume = "27",
pages = "443--449",
journal = "LIQUID CRYSTALS",
issn = "0267-8292",
publisher = "Taylor and Francis Ltd.",
number = "4",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - The synthesis of cholest-5-ene-3 beta-carboxylates and a comparison of their mesomorphic behaviour with isomeric cholesterol esters with a reversed ester linkage

AU - Harwood, S M

AU - Toyne, K J

AU - Goodby, J W

AU - Parsley, M

AU - Gray, G W

PY - 2000/4

Y1 - 2000/4

N2 - The syntheses of seven esters of cholest-5-ene-3 beta-carboxylic acid are reported and the melting points, transition temperatures and mesophase morphologies of the esters are compared with those of the isomeric 3 beta-cholesterol compounds which have the ester link reversed. For the examples reported, the cholest-5-ene-3 beta-carboxlates always have significantly lower melting points, but the differences in clearing temperatures for the two series of esters are usually much less. Several of the new compounds give an increased chiral nematic phase range and an intense selective reflection of light. They therefore represent a novel type of chiral nematic material for use in thermochromic applications.

AB - The syntheses of seven esters of cholest-5-ene-3 beta-carboxylic acid are reported and the melting points, transition temperatures and mesophase morphologies of the esters are compared with those of the isomeric 3 beta-cholesterol compounds which have the ester link reversed. For the examples reported, the cholest-5-ene-3 beta-carboxlates always have significantly lower melting points, but the differences in clearing temperatures for the two series of esters are usually much less. Several of the new compounds give an increased chiral nematic phase range and an intense selective reflection of light. They therefore represent a novel type of chiral nematic material for use in thermochromic applications.

M3 - Article

VL - 27

SP - 443

EP - 449

JO - LIQUID CRYSTALS

T2 - LIQUID CRYSTALS

JF - LIQUID CRYSTALS

SN - 0267-8292

IS - 4

ER -