Accoun ts Letters - Thieme Chemistry

Accoun ts Letters - Thieme Chemistry Accoun ts Letters - Thieme Chemistry

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Letters VI Table of Contents 1247 Deprotection of Tetrahydropyranyl Ethers with Montmorillonite K-10 Clay in Methanol T. Taniguchi, K. Kadota, A. S. ElAza, K. Ogasawara 1249 a-Keto Esters as Electrophiles for the Chalcogeno- Baylis-Hillman Reaction D. Basavaiah, K. Muthukumaran, B. Sreenivasulu 1251 Microwave Assisted Synthesis of Pyrrolo[2,1c][1,4]benzodiazepine-5,11-diones A. Kamal, B. S. N. Reddy, G. S. K. Reddy 1253 1,4-Addition Reactions of Bis(iodozincio)methane with a,b-Unsaturated Ketones S. Matsubara, D. Arioka, K. Utimoto 1255 Esterification of Carboxylic Acids with Alcohols by 4-(4,6-Dimethoxy-1,3,5-triazin-2-yl)-4-methyl-morpholinium Chloride (DMTMM) M. Kunishima, J. Morita, C. Kawachi, F. Iwasaki, K. Terao, S. Tani 1257 Diastereoselective Oxyselenylation of 1,n-Diolefins Utilizing PET Generated [PhSeSePh] +. as an Electrophilic Species: An Efficient and General Strategy for the Synthesis of a,a’-trans-Dialkyl Cyclic Ethers G. Pandey, R. Sochanchingwung, S. K. Tiwari R 1 O OH + MeO N MeO N N N + Me O Cl- DMTMM MeN R2OH rt O R 1 O OR 2

Table of Contents VII 1259 Unexpected Switching between Addition and Substitution in the Rhodium-Catalysed Reaction between Tin Hydrides and Propargyl Ethers T. N. Mitchell, S.-N. Moschref 1261 Lithium Tetrafluoroborate-in Acetonitrile ( LTAN ) Catalyzed Ferrier Rearrangement – Facile Synthesis of Alkyl 2,3-Unsaturated Glycopyranosides B Sobhana Babu, K. K. Balasubramanian 1263 First Synthesis of 1-Phenyl-3-pyrrol-1-ylindan-2carboxylic Acid, a New Scaffold of Potential Nonpeptide Endothelin Receptor Antagonists J. Guillon, P. Dallemagne, S. Stiebing, P. R. Bovy, S. Rault 1265 Iminophosphoranes in Heterocyclic Chemistry. A Simple One-Pot Synthesis of Dihydropyrimidines and Pyrimidines E. Rossi, G. Abbiati, E. Pini 1268 A Practical Transformation of Aldehydes into (E)- Iodoalkenes with Geminal Dichromium Reagents K. Takai, T. Ichiguchi, S. Hikasa 1271 A New Synthesis of Pyrrole-2-Carboxylic Acids C. S. Pak, M. Nyerges Letters

<strong>Letters</strong><br />

VI Table of Conten<strong>ts</strong><br />

1247<br />

Deprotection of Tetrahydropyranyl Ethers with<br />

Montmorillonite K-10 Clay in Methanol<br />

T. Taniguchi, K. Kadota, A. S. ElAza, K. Ogasawara<br />

1249<br />

a-Keto Esters as Electrophiles for the Chalcogeno-<br />

Baylis-Hillman Reaction<br />

D. Basavaiah, K. Muthukumaran, B. Sreenivasulu<br />

1251<br />

Microwave Assisted Synthesis of Pyrrolo[2,1c][1,4]benzodiazepine-5,11-diones<br />

A. Kamal, B. S. N. Reddy, G. S. K. Reddy<br />

1253<br />

1,4-Addition Reactions of Bis(iodozincio)methane<br />

with a,b-Unsaturated Ketones<br />

S. Ma<strong>ts</strong>ubara, D. Arioka, K. Utimoto<br />

1255<br />

Esterification of Carboxylic Acids with Alcohols by<br />

4-(4,6-Dimethoxy-1,3,5-triazin-2-yl)-4-methyl-morpholinium<br />

Chloride (DMTMM)<br />

M. Kunishima, J. Morita, C. Kawachi, F. Iwasaki, K. Terao,<br />

S. Tani<br />

1257<br />

Diastereoselective Oxyselenylation of 1,n-Diolefins<br />

Utilizing PET Generated [PhSeSePh] +. as an Electrophilic<br />

Species: An Efficient and General Strategy<br />

for the Synthesis of a,a’-trans-Dialkyl Cyclic Ethers<br />

G. Pandey, R. Sochanchingwung, S. K. Tiwari<br />

R 1<br />

O<br />

OH<br />

+<br />

MeO<br />

N<br />

MeO<br />

N<br />

N<br />

N<br />

+ Me<br />

O<br />

Cl- DMTMM<br />

MeN<br />

R2OH rt<br />

O<br />

R 1<br />

O<br />

OR 2

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