Absorption and fluorescence spectra of open-chain tetrapyrrole pigments–bilirubins, biliverdins, phycobilins, and synthetic analogues

M Taniguchi, JS Lindsey - Journal of Photochemistry and Photobiology C …, 2023 - Elsevier
Open-chain tetrapyrroles are ubiquitous and abundant in living organisms (algae, animals,
bacteria, and plants), including examples such as bilirubin, biliverdin, phycocyanobilin …

Synthesis of a BC-Dihydrodipyrrin Building Block of Bacteriochlorophyll a

KC Nguyen, JS Lindsey - The Journal of Organic Chemistry, 2023 - ACS Publications
A strategy for the synthesis of bacteriochlorophyll a relies on joining AD and BC halves that
contain the requisite stereochemical configurations of the target macrocycle. The BC half (1) …

Synthesis of model southern rim structures of photosynthetic tetrapyrroles and phyllobilins

ATN Tran, Z Wu, DTM Chung, P Nalaoh… - New Journal of …, 2023 - pubs.rsc.org
The photosynthetic tetrapyrroles and their catabolic products (phyllobilins) share similar
structural features in the southern rim encompassing rings C–E with variation in the degree …

Chlorophylls: a personal snapshot

H Scheer - Molecules, 2022 - mdpi.com
Chlorophylls provide the basis for photosynthesis and thereby most life on Earth. Besides
their involvement in primary charge separation in the reaction center, they serve as light …

Design and characterisation of pH-responsive photosensitiser-loaded nano-transfersomes for enhanced photodynamic therapy

S Yeo, I Yoon, WK Lee - Pharmaceutics, 2022 - mdpi.com
Photodynamic therapy (PDT) is a non-invasive and tumour-specific therapy.
Photosensitizers (PSs)(essential ingredients in PDT) aggregate easily owing to their …

Phot0, a plausible primeval pigment on Earth and rocky exoplanets

JG de la Concepción, L Cerdán… - Physical Chemistry …, 2022 - pubs.rsc.org
In view of the existing controversy around the origin of the photosynthesis and, therefore, the
first photosynthetic pigments, our work focuses on the theoretical study of a hypothetical first …

Synthesis of bacteriochlorins bearing diverse β-substituents

H Jing, P Wang, B Chen, J Jiang… - New Journal of …, 2022 - pubs.rsc.org
Synthetic bacteriochlorins, analogues of native bacteriochlorophylls, provide absorption in
the near-infrared spectral region and hence are valuable for fundamental studies in …

Extension of nature's NIR-I chromophore into the NIR-II region

K Siwawannapong, JR Diers… - Physical Chemistry …, 2024 - pubs.rsc.org
The development of chromophores that absorb in the near-infrared (NIR) region beyond
1000 nm underpins numerous applications in medical and energy sciences, yet also …

Synthesis of a model phyllobilin bearing an optical marker

ATN Tran, P Wang, S Zhang, M Jovanovic… - New Journal of …, 2024 - pubs.rsc.org
Phyllobilins, derived from the breakdown of chlorophyll in plants, are acyclic tetrapyrroles
that bear the signature ring E of the parent macrocycle. Few synthetic studies have …

Synthesis of chiral hexynones for use as precursors to native photosynthetic hydroporphyrins

KC Nguyen, DTM Chung, P Nalaoh… - New Journal of …, 2024 - pubs.rsc.org
A planned total synthesis of photosynthetic tetrapyrrole macrocycles installs essential
stereochemical features in early precursors via established asymmetric methodology. Key …