ChemInform Abstract: Asymmetric Intramolecular Diels—Alder Cycloadditions of 2-Pyrone-3-carboxylates and Synthesis of Vitamin D3 A-Ring Phosphine Oxide.

ChemInform Abstract: Efficient Synthesis

ChemInform Abstract: Efficient Synthesis of the A-Ring Phosphine Oxide Building Block Useful for 1α,25-Dihydroxy Vitamin D3 and Analogues.

✍ Andrzej R. Daniewski; Lisa M. Garofalo; Stanley D. Hutchings; Marek M. Kabat; We 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 40 KB 👁 2 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

ChemInform Abstract: Asymmetric Synthesi

ChemInform Abstract: Asymmetric Synthesis of the ABCD Ring System of Daphnilactone B via a Tandem, Double Intramolecular, [4 + 2]/[3 + 2] Cycloaddition Strategy.

✍ Scott E. Denmark; Son T. Nguyen; Ramil Y. Baiazitov 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 31 KB 👁 2 views

ChemInform Abstract: Efficient and Versa

ChemInform Abstract: Efficient and Versatile Synthesis of A-Ring Precursors of 1α,25- Dihydroxy-Vitamin D3 and Analogues. Application to the Synthesis of Lythgoe-Roche Phosphine Oxide.

✍ A. MOURINO; M. TORNEIRO; C. VITALE; S. FERNANDEZ; J. PEREZ-SESTELO; S. ANNE; C. 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 35 KB 👁 1 views

Efficient and Versatile Synthesis of A-Ring Precursors of 1α,25-Dihydroxy-Vitamin D3 and Analogues. Application to the Synthesis of Lythgoe-Roche Phosphine Oxide. -Starting from 1-carvone (I) an efficient approach to the Lythgoe-Roche phosphine oxide (XII), an important vitamin D synthon, is report

ChemInform Abstract: Regio- and Stereose

ChemInform Abstract: Regio- and Stereoselective Synthesis of 1-Benzopyrano[2,3-b]pyrrolo[2,3-d]pyridines: A Microwave-Accelerated Intramolecular [3 + 2] Cycloaddition Reaction of Azomethine Ylide.

✍ Sourav Maiti; T. M. Lakshmykanth; Suman Kalyan Panja; Ranjan Mukhopadhyay; Ayan 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 28 KB 👁 1 views

## Abstract The reaction of the compounds (I) with the compound (II) by heating in toluene gives the product (III) in similar yields but in longer reaction times (25‐30 h).

ChemInform Abstract: Intramolecular Nitr

ChemInform Abstract: Intramolecular Nitrile Imide Cycloadditions onto the Furan Ring: Synthesis of the New 3a,4-Dihydro-6H-difuro[3,2-c;3,4-d]pyrazole Skeleton.

✍ Gianluigi Broggini; Giorgio Molteni; Gaetano Zecchi 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB 👁 1 views

pyrazole Skeleton. -A hitherto unknown difuropyrazole skeleton is synthesized by intramolecular 1,3-dipolar cycloaddition of an in situ generated nitrile imide to a furan ring.

ChemInform Abstract: Synthetic Studies o

ChemInform Abstract: Synthetic Studies of FR 182877: An Asymmetric Synthesis of the AB Ring Moiety of FR182877 via a Diastereoselective Intramolecular Diels—Alder Reaction.

✍ Takahiro Suzuki; Masahisa Nakada 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v