cheminform abstract: regio- and stereoselective synthesis of isoxazolines via cycloaddition...

2002 diastereoselective syntheses, enantioselective syntheses diastereoselective syntheses, enantioselective syntheses (incl. cis/trans-isomerism) O 0031 37 - 030 Regio- and Stereoselective Synthesis of Isoxazolines via Cycloaddition Reactions Using Pregnenolone as Chiral Auxiliary. — Asymmetric 1,3-dipolar cycloaddition reaction of nitrile oxides (II) to oleﬁns (I) is achieved using pregnenolone as chiral auxiliary. This is the ﬁrst example for the use of steroidal chiral auxiliaries in asymmetric synthesis. — (SHARMA, UTPAL; BORA, UTPAL; CHETIA, APURBA; BORUAH, ROMESH C.; SANDHU, JAGIR SINGH; Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem. 41 (2002) 5, 1012-1014; Org. Chem. Div., Reg. Res. Lab., Jorhat 785 006, India; EN) 1

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Page 1: ChemInform Abstract: Regio- and Stereoselective Synthesis of Isoxazolines via Cycloaddition Reactions Using Pregnenolone as Chiral Auxiliary

2002 diastereoselective syntheses, enantioselective syntheses

diastereoselective syntheses, enantioselective syntheses (incl. cis/trans-isomerism)O 0031

37 - 030Regio- and Stereoselective Synthesis of Isoxazolines via CycloadditionReactions Using Pregnenolone as Chiral Auxiliary. — Asymmetric1,3-dipolar cycloaddition reaction of nitrile oxides (II) to olefins (I) is achievedusing pregnenolone as chiral auxiliary. This is the first example for the use ofsteroidal chiral auxiliaries in asymmetric synthesis. — (SHARMA, UTPAL;BORA, UTPAL; CHETIA, APURBA; BORUAH, ROMESH C.; SANDHU,JAGIR SINGH; Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem. 41(2002) 5, 1012-1014; Org. Chem. Div., Reg. Res. Lab., Jorhat 785 006, India;EN)

Pregnenolone sulphate-independent inhibition of TRPM3 channels by progesterone · 2016. 12. 7. · Available online 14 October 2011 Keywords: Cationic to channel Calcium absence inﬂux

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2-Isoxazolinium Salts and 3-Isoxazolines: Exploratory ...znaturforsch.com/s65b/s65b0821.pdf · 2-Isoxazolinium Salts and 3-Isoxazolines: Exploratory Chemistry and Uses for the

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Photochemistry of heterocycles XVI.* Preparation and ... Preparation and photochemistry of isoxazolines fused pyrrolidine deriva tives is described. The title compounds were prepared

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