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Vitamin B₁ analogues

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Group of chemical compounds

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Vitamin B₁ analogues areanalogues of vitamin B₁,thiamine. They typically have improvedbioavailability relative to thiamine itself, and are used to treat conditions caused by vitamin B₁ deficiency. These conditions includeberiberi,Korsakoff's syndrome,Wernicke's encephalopathy anddiabetic neuropathy.

Vitamin B₁ analogues include:^[1]

^Martindale, William (1993).The Extra Pharmacopoeia. Pharmaceutical Press. p. 1053.ISBN 978-0-85369-300-0.

Fat
soluble

A	α-Carotene β-Carotene Retinol^# Tretinoin^#
D	D₂ Ergosterol Ergocalciferol^# D₃ 7-Dehydrocholesterol Previtamin D₃ Cholecalciferol^# 25-hydroxycholecalciferol Calcitriol (1,25-dihydroxycholecalciferol) Calcitroic acid D₄ Dihydroergocalciferol D₅ D analogues Alfacalcidol Dihydrotachysterol Calcipotriol Tacalcitol Paricalcitol
E	Tocopherol Alpha Beta Gamma Delta Tocotrienol Alpha Beta Gamma Delta Tocofersolan
K	Naphthoquinone Phylloquinone (K₁)^# Menaquinones (K₂) Menadione (K₃)^‡ Various (K₄) 4-Amino-2-methyl-1-naphthol (K₅)^‡ 2-Methylnaphthalene-1,4-diamine (K₆) 4-Amino-3-methyl-1-naphthol (K₇)